The light in his office is out. He_________ left for home.
#62358
A
must have
B
must have been
C
should have
D
should have been
推荐题目
----Must I hand in our homework today?--- No, you ______.
#75787
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t
Some teenagers would rather _____ than _______ in their spare time. 
#75991
A
play computer games, doing exercise
B
to play computer games, to do exercise
C
play computer games, do exercise
D
playing computer games, do exercise