Choose the best modal verb for the gap in each of the following sentences

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11. Choose the best modal verb for the gap in each of the following sentences.
31. Patrick has got a yacht and a helicopter. He ...... be extremely rich.
A. can
" C. should
32.
33.
34.
35.
37.
38.
39.
40.
Why didn't you do it? You promised you....., for certain.
A. could
B. must
C. would
They left only an hour ago. They
A. can
B. can't
B. must
I can't see my umbrella anywhere. I...... have left it in my office.
A. can
B. must
C. should
Have you heard about all the complaints? It ........ have been a pleasant holiday for them.
A. can't
B. mustn't
C. shouldn't
D. mayn't
36. There's a chance that he'll arrive in time for supper, but he ....... a lot later.
A. would
B. must
C. should
D. might
A. could
C. might
You didn't have to come all the way by bus. We have
to pick you up.
You
A. can't
hardly have arrived yet.
C. shouldn't
A. could
We waited for you for over an hour. You really ........ have telephoned to say you were
not coming.
A can
B. must
******
B. must
B. must
have told that joke. Everybody has heard it too often.
B. mustn't
C. shouldn't
C. would
D. may
gone
D. might
C. should
D. may
D. would
D. need
to the station in the car
The Mercedes overtook us at a very high speed. It...... have been doing more than
150 kph.
D. should
D. needn't
D. might