Even students of average intelligence ________ become top students by improving their study habits.
#62294
A
must
B
can
C
have to
D
ought to
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The weather turned out to be fine yesterday．I the trouble to carry my umbrella with me．
#63079
A
should have taken
B
could have taken
C
needn’t have taken
D
mustn’t have taken
Don’t be angry with us. We ____ with you together, but we were busy with our final reports when you called in.
#63012
A
would eat out
B
must have eaten out
C
should eat out
D
could have eaten out
I was really anxious about you. You____ home without a word.
#62986
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
— Jim is very sick these days. He coughs so badly.— In my opinion, he really ________ listen to the doctor and cut down on smoking.
#62539
A
should
B
can
C
may
D
need
---Isn’t that your teacher over there? ---No, it ______ be him. I’m sure he doesn’t wear glasses.
#63389
A
can’t
B
must not
C
won’t
D
may not