A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.
#62333
A
may have been
B
must be
C
need have been
D
might be
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You _______ call him if you want to, but you _______, for he’ll surely come here soon. 
#62741
A
may; mustn’t
B
can; needn’t
C
have to; needn’t
D
can; doesn’t need
----- Must I park my car behind the building?------No, you ___________ . You ___________ park it here .
#76134
A
mustn’t ; may
B
may not ; must
C
don’t have to ; may
D
shouldn’t ; must
 I ____ have been there, but I ____ not find the time.
#62724
A
could; must
B
must; could
C
should; could
D
should; would