----          you do me a favor? -----Sure. With pleasure.
#87743
A
Must
B
Need
C
Should
D
Could
推荐题目
(2013·吉林四校高三一诊)I really don't know how to thank you, but for your help, I ________ my lost necklace.
#86587
A
couldn't have found
B
mustn't have found
C
couldn't find
D
wouldn't find
--- 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