I really don't know how to thank you, but for your help, I ________ my lost necklace.
#86411
A
couldn't have found
B
mustn't have found
C
couldn't find
D
wouldn't find
推荐题目
You _____ practise the drums while the baby is sleeping. 
#89558
A
needn’t
B
mightn’t
C
mustn’t
D
won’t
— May I stop here? — No, you _____.
#90212
A
mustn’t
B
might not
C
needn’t
D
won’t
Thank you very much. Without your help we ______ car started.
#86960
A
didn’t get
B
hadn’t got
C
couldn’t get
D
couldn’t have got