— Isn’t that Ann’s husband over there?  — No, it ________ be him — I’m sure he doesn’t wear glasses.
#62799
A
must not
B
can’t
C
won’t
D
may not
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--- Where is Jack? I can’t find him anywhere.--- He ______ his homework upstairs.
#63513
A
might have done
B
must have done
C
might be doing
D
must do
You ________ in person; a telephone would have been enough.
#62344
A
couldn't have come
B
needn't have come
C
shouldn't have come
D
mustn't have come