I was supposed ____ her, but I failed.
#87177
A
to help
B
to have helped
C
to be helping
D
will help
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