--- Who told you my address ? --- I don’t remember clearly. It _____ Li Mei.  ---It _____ Li Mei. She doesn’t know it.
#88154
A
can be; mustn’t be
B
may have been;must have been
C
may have been; can’t be    
D
must have been ; can’t have been
推荐题目
 I insisted that he_______ at once.
#88345
A
leave
B
left
C
leaves
D
leaving
The teacher suggested the dictionary         at once.
#87219
A
be referred to be bought
B
be referred to being bought
C
referred to be bought
D
referred to being bought
The chairman requested that ___________. 
#89880
A
the members studied the problem more carefully
B
the problems were more carefully studied
C
the problems could be studied with more care
D
the members study the problem more carefully