Certainty

Level:

Intermediate

Category:

Grammar Exercises

Group:

Miscellaneous

Please select the best answer for each blank:

 
 

1 - You ______ be Mr Alonzo. It's very nice to meet you.

a - can't
b - must
c - might
 

2 - That's impossible. It ______ be true.

a - must
b - might
c - can't
 

3 - That sounds much too expensive. It ______ be the correct price.

a - must
b - might
c - can't
 

4 - I don't know who is going to get the contract. We ______ get it but nothing is certain.

a - can't
b - must
c - might
 

5 - I'm sure that it is true. It ______ be true.

a - might
b - can't
c - must
 
 

6 - I don't know when I will get this finished. I ______ get it written by this evening but I'm not sure.

a - must
b - might
c - can't
 

7 - It's a really good job. She ______ get a really good salary.

a - can't
b - must
c - might
 

8 - John isn't here. He's on assignment in Bali. So the person you spoke to this morning ______ have been John.

a - can't
b - must
c - might
 

9 - Look at the clouds. I think it ______ rain. Better take an umbrella just in case.

a - can't
b - must
c - might
 

10 - You cannot be serious, Mr McEnroe. You ______ be joking.

a - must
b - might
c - can't
 

11 - How can he do so much work? He ______ stay late at the office every evening and take work home at weekends.

a - can't
b - must
c - might
 

12 - John can hardly speak and he's sweating a lot. He ______ be very well.

a - might
b - can't
c - must
 

13 - I'm certain he's there. He ______ be there.

a - can't
b - must
c - might
 

14 - I bet you anything that Psion shares go up again. They ______ go up. They're undervalued.

a - might
b - can't
c - must
 

15 - I'll come if I can but I ______ not have the time.

a - must
b - might
c - can't
 

16 - I ______ not make it to the meeting. If I don't, could you give my aplogies?

a - must
b - might
c - can't
 

17 - I don't recognise any of these buildings. We ______ be on the right road.

a - can't
b - must
c - might
 

18 - I'll probably be going to that conference too so I ______ see you there.

a - might
b - can't
c - must
 

19 - I'm a bit tied up at the moment. I ______ be able to see you later but I'm not sure yet.

a - must
b - might
c - can't
 

20 - I'd love to live and work in Tokyo. It ______ be a very interesting place to be.

a - must
b - might
c - can't
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