— Hi, Mary. Any idea where Bill is?— He ______ in the library. I saw him reading books there just now.
#88057
A
shall be
B
should have been
C
must be
D
might have been
推荐题目
 He promised to do what he ______ sure of _______.
#89211
A
could make; my happy
B
could to make; me happy
C
could make; my happiness
D
could to make; my happiness
Captain Cook commanded that all the goods _________ into the sea.
#87638
A
should throw
B
be thrown
C
threw
D
should thrown