Global MCQ Practice
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Must Deduction CertaintySet 19

1What you cannot cure, you ..... endure.
2If you see a large group of people, it means something exciting ..... be happening.
3I wonder where the chief is.-He ..... be in his office. I've seen him this morning.
4I am sure my parents ..... (not / let)me go to the party.
5It is someone's birthday in your class next week.
6He must ..... joking; that can't be true!
7Sorry, but I'm not Nghi. You ..... me for someone else.
8Juan has worked a lot today. He ..... be exhausted.
9Where is he?-He ..... be walking in the park.
10You want to call them now? It's already after midnight! They ..... be sleeping.
11Which modal adverb best completes the sentence: "She will ..... finish her project before the deadline."
12She ..... be ready soon. She hasn't had a shower yet.
13Jo ..... be here. Her coat is hanging up behind the door.
14I'm not going to pay five pounds for a coffee. You ..... be joking!
15I'm sorry but Mr. Banks isn't here. He ..... left. (100% certain)
16I'm sure it wasn't Mr. Pike you saw because he is in London.
17Alex got the job-he ..... have been pleased
18You look sick. You ..... eaten something bad.
19Choose the structure used for beliefs that were certain to happen in the future:
20I'm sure Ben has read my email. I sent it first thing this morning.
21Susan hasn't eaten anything since yesterday.
22This book ..... belong to the library. It's certainly not mine.
23He ..... be very pleased with his best grades.
24She is sure Karla is American
25His car is not here.
26Modal Verbs you can use for Deductions
27She must be at home.
28Roberto goes to the mall every day. He ..... like to shop
29I'm sure she wasn't in the office this morning.
30Ali didn't answer the phone. He ..... asleep.
31I ..... be at the concert tomorrow. I bought the tickets last month!
32She ..... be late for work. Her boss is very strict.
33Max isn't replying to my texts. He ..... taken his phone with him.
34It's 3:00 a.m. right now, so my sister must .....
35Those boys look really guilty. They ..... have done something wrong.
36They ..... (get) married-look at the ring she's wearing!
37The children ..... in the garden because it's raining, so they ..... somewhere else.
38Wow! Your dress looks really expensive! It ..... a fortune!
39After the modal verbs of speculation and deduction in the present, we use an infinitive ..... to
40It ..... be far now. We've been driving for hours.
41They ..... be having party-the music's very loud.
42For certainty and possibility in the present, the structure used is:
43David ..... drink a lot of coffee. He's finished two packets already this week!
44Carlo didn't say much-he ..... been feeling shy
45Ada was stood outside the cinema. She ..... have been waiting for somebody.
46I remember that I brought my keys. They ..... be at home.
47Congratulations on passing your exam! You ..... very pleased! (I'm sure!)
48She isn't answering the phone! She ..... be busy!
49They ..... be at the office because I just saw them online.
50I looked everywhere but I can't find Mrs Smith.
51I don't think he is revising for his test.
52That noise ..... be from the construction next door.
53"How old do you think Tom is?"-" He ..... 17 because he is studying with my brother.
54The baby fell asleep in two minutes. It ..... very tired.
55There ..... be some mistake. I didn't order any appetizers, and yet you're charging me for them.
56He ..... be in the office right now.
57Jimmy and Louisa ..... very tired. They have a new baby.
58I ..... forgotten my password. It was my first name!
59A: What are you going to order?B: I am sure I ..... have pasta.
60Look! Our car isn't in the driveway! Somebody .....
61Choose the most suitable modal verb: Sorry, but I'm not Aidana. You ..... confuse me for someone else.