Global MCQ Practice
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Must Deduction CertaintySet 1

1I'm sure he did it =?
2Oh, the phone is ringing. Answer it. It ..... be Kate. She always rings at this time.
3Tony didn't study hard for the test. His answers ..... from someone else.
4They ..... be playing outside; it's raining. (The rain is heavy, and no one is in the playground.)
5Karen ..... like modern art. She only decorates her office with very traditional art.
6You look terrible! You ..... be really sick.
7Sam couldn't find her keys. She ..... have lost them on her way home.
8It is necessary for you to speak English.
9I'm sure Lucy has bought a new car. I saw her driving a blue VW Golf!
10He ..... be tired after such a long day. (He worked from 7 a.m. to 8 p.m. without a break.)
11Oh, great! His car's here. He ..... come home earlier than planned.
12The bus ..... be full. They only sold 10 of the 30 tickets.
13We only bought two apples and paid $ 5.00 for them. That ..... be right.
14Larry ..... be at home. His car is outside.
15Jack is late. He ..... missed the bus.
16Jackie ..... your sister. You look so similar!
17It's clear that you ..... broken the window last night, so who did?
18Put in 'must + infinitive' or 'must + have + past participle'. 15. Jimmy and Louisa ..... (be) very tired. They have a new baby.
19Whose car is it?It ..... be Anton's. I think I saw driving a red car like this one.
20Paula ..... be injured. That's her best time ever for a marathon.
21Sam bought an expensive mobile phone. He ..... earn a lot of money.
22My book is not at it's place, someone ..... taken it.
23It's his first day at school so he ..... know anybody.
24Everyone is wearing a thick jacket. It ..... cold outside.
25Mike ..... think I'm crazy. He thinks I will take this awful job.
26Choose the word or phrase which best completes each sentence. Write your answer A, B, C, or D in the numbered boxQuestion 30: You have been reading for four hours. This book ..... be very interesting.
27This bag ..... be expensive; it's made of leather.
28She was on a long flight from California. She ..... be tired!
29You haven't eaten all day. You ..... be starving.
30Do you know Ryan's math grade?-I don't know but he ..... got an A. (His math is really good)
31Modal verbsI don't believe it. It ..... be true.A. can't B. mustn't C. shouldn't D. wouldn't
32I'm certain Luis will be on cloud nine when his wife gives birth to their first child.A. Luisa may be on cloud nine when his wife gives birth to their first child.B. Luisa must be on cloud nine when his wife gives birth to their first child.C. Luisa could be on cloud nine when his wife gives birth to their first child.D. Luisa can be very on cloud nine when his wife gives birth to their first child.
33You've been studying all day you ..... tired
34I can hear the siren now. It ..... be the police.
35Jim and his family always go on holiday to the same place. They must like it.
36She ..... be late because the traffic was terrible this morning.
37You ..... be kidding! How is that possible?
38The children ..... be hungry. They haven't eaten all day.
39MUST has the following percentage of probability
40Complete the sentence:'She ..... (not) be late for school.' Function:Expressing certainty. Options:might, must, can, would
41Check out the diamonds in that necklace. It ..... cost a fortune.
42I can hear a voice speaking, but there's nobody here. It ..... be that parrot.
43There is someone in the classroom. It ..... the teacher he always gets there before students.
44It ..... be that Adam won! He never trained hard!
45The students did well on the test. They must ..... studied hard.
46You ..... reaaly hungry now.
47There is a man behind us. He has been walking behind us for the last 20 minutes. He must ..... us.
48(EN) In which alternative is the idea expressed by the modal verb INCORRECTLY stated in brackets?
49She ..... hungry, she's just finished a big lunch.
50You moved all of the boxes out of the moving truck by yourself? You ..... be exhausted!
51They have lost all their possessions in the fire. They ..... a hard time now.
52He ..... exhausted after such a tiring day.
53Your parents ..... have been proud when you won first prize in the science fair.
54The team has been practicing hard all week; they ..... be ready for the championship.
55I often see that woman walking along this street. She ..... live near here.
56He told me that I ..... take any risk.
57Bella ..... be very tired. She's been working all night.
58Ryan is looking well. I'm sure he's enjoying his holiday.
59She looks tired. She ..... be sick.
60Of course John isn't here today. He spent the whole night drinking. He ..... be at home with a serious hangover.
61You ..... what you were told!