– I ran 10 miles last weekend. Can you believe that? – Wow, that ______ easy!
#62638
A
mustn' t be
B
mustn't have been
C
can't have been
D
couldn’t be
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He ______ it on schedule, but somehow he fell behind.
#62908
A
must have done
B
might finish
C
could have finished
D
could finish
If I went to the moon, I ______ bring something unusual back to the earth.
#76023
A
could
B
will
C
would
D
shall
---Have you got the final result?---Yes, very disappointing. We________ have won the game.
#63088
A
need
B
could
C
can
D
must
We can hardly believe that an intelligent person like Daniel ________ be asking such a silly question.
#62552
A
should
B
might
C
must
D
could
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