Surely Mr. Peterson ____ have forgotten to buy presents for his beloved family members. After all, it was Christmas!
#63397
A
shouldn’t
B
mustn’t
C
can’t
D
needn’t
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It's the library! So you_______ make any noise here.
#74892
A
mustn't
B
won't
C
need
D
may
— Li Fan won the first prize in the national physics competition. — I ________ he was the winner.
#63178
A
shouldn’t have thought
B
must have thought
C
need have thought
D
could never have thought