His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.
#63043
A
should
B
shouldn’t
C
can’t
D
must
推荐题目
You have worked for a long time. You ____________ be very tired.
#74757
A
must
B
can’t
C
could
D
mustn’t
Li Lei can’t go hiking with us today,because he take care of his sick mother.
#75980
A
has to
B
may
C
mustn’t
D
needn’t
—Must I do my homework now, Mum?—_______. You can do it tomorrow.
#76333
A
No, you needn’t
B
No, you mustn’t
C
Yes, you need
D
Yes, you must
--Jack had prepared for the game for such a long time. We all thought he ________ it. -- What a pity! He ________ too nervous when playing it.
#62694
A
would have won；had been
B
could have won；must be
C
could have won；was
D
would have won；has been
I told Sally how to get there, but perhaps I ________ for her.
#62969
A
had to write it out
B
must have written it out
C
should have written it out
D
need to have written it out