Global MCQ Practice
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Must Deduction CertaintySet 16

1Elen looked very sad, She ..... had some bad fight with her boyfriend.
2He ..... be over fifty, he was born in 1960.
3My cousin owns a Ferrari. I don't know his salary but he ..... earn a fortune!
4Just look at his luxury car! He ..... be rich.
5A:How old is she? B:I don't know. She ..... be 15 years old
6They ..... still be out, I'm sure!
7WHICH IS INCORRECT?More universities may be offering computer science degrees to their students in the future. More IT people might be learning about computer security. Hopefully, hackers must not be learning about it, too!
8A) I've been calling Mr. Reis for an hourI know he is home but no one is answering. B) That's strange he ..... the phone.
9Which modal verb is used to express a possibility based on logical deduction?
10You went to China? That ..... have been exciting!
11You ..... heard of him. Everyone knows him.
12Sheila ..... be studying, she said she wants to get an A.
13Which sentence correctly expresses certainty about someone working at the library? "He ..... be working at the library."
14He ..... forgotten his passport at the hotel in Santa Cruz.
15We use "must" for things that are definitely true.
16Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.My watch has just gone. It ..... while I was asleep.
17If famous actors stay at the Plaza Hotel in New York, it ..... be pretty expensive.
18I'm sure that that woman isn't Joan's mother-she's too young.
19If Samuel said that, it ..... true. He never lies.
20It ..... be your bike. This one's red but yours is blue.
21A: Is this chicken in the refrigerator still good?B: I don't think so. It's been in there for over a month. It ..... spoiled by now.
22Directions: Choose the corresponding modal adverb to complete the sentence.The sun will ..... shine tomorrow.
23Emma looks very tired. She ..... have stayed late to finish her assignment last night.
24What modal of speculation fits better in the following situation?"I'm sure that's not Jack's car. His car is red".
25This letter ..... be from my mom-that's her handwriting!
26It ..... be easy for doctors, working so hard for many hours.
27Mark worked 10 hours today. He ..... tired.
28Choose the Type of Deduction:"He looks really tired. He must be working a lot lately."
29I tried to call him, but got an error message. I ..... have the wrong number.
30I'm sorry I didn't call earlier. I ..... lost track of time.
31It rained every day during their holiday, so they ..... have had a very nice time.
32A decisive text (dalil qat'i) is not open to possibility of interpretation.
33Sue is so happy. she MUST have won a lottery prize.
34'Is that Mr Tanaka?" No, that ..... be him because Mr. Tanaka wears glasses.'
35Is that present from your sister? It ..... from her, I've already opened her present.
36"He must have cheated on the exam" expresses a strong deduction based on evidence.
37Fill in the blank with may, might, or must.I worked very hard, so I ..... get a good grade.
38Mr. Gonzalez is the owner of the company. He ..... here every day.
39I just heard a car door. Dad ..... be home.
40The concert ..... start soon; people are gathering outside the venue.
41I am very certain. He ..... accept the job offer.
42A: Who is that speaking fluent Arabic outside?B: I am sure it ..... be Mehmet because his Arabic is very poor, but it ..... be Omer as he is one of the people from the neighborhood who can speak it.
43There is a knock at the door. It ..... my mom. It's time for her to be back home.
44He is laughing. He ..... be very happy.
45The one who got the job wasn't even short-listed. He ..... a bribe.
46We use ..... for talking about things which we can deduce are definitely true.
47Choose the correct explanation for the sentence: John must be asleep.
48My tablet went missing from my bedroom a couple of weeks ago. I thought someone (must/steal) it.
49(Which is the best word for this sentence)-He broke his leg. That ..... have hurt!
50MODAL VERBChoose the correct option to complete the sentence7.My uncle is very strong. He can lift 300kg!
51There are two kinds of epistemic commitment on the part of the speaker toward the truth of the proposition:judgements and evidentials-according to Jespersen
52He ..... been a friend of Jack's. He was asking if I'd seen him.
53Ryan is behaving very strangely. I'm sure he's in love. He ..... be in love.
54Patty ..... been at the mall last night. She was out of town visiting her mother.
55He studied all night. He ..... be tired today.
56It ..... be cold outside. That man in the street is wearing a coat.
57Which has a different level of certainty?
58"You must be tired."This modal expresses:
59He ..... be at work now, can he? It's nearly midnight.
60Choose the correct modal (deduction): The lights are on. They ..... be home.
61A: Where are the children?B: They ..... in the backyard.A: Why are you so sure?B: Because I saw them five minutes ago.