---Why didn’t you reared him of the possible danger?---But what       otherwise? He never listens to me.
#86877
A
could I do
B
could I have done
C
should I do
D
must I have done
推荐题目
If I hadn’t stood under the ladder to catch you when you fell, you _________ now.
#87546
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile
She didn’t come to the party last Sunday. _________, she must have made the party more exciting.
#87067
A
If she came
B
Would she come
C
Had she come
D
Did she come
You _____ him the news; he knew it already. 
#89557
A
needn’t tell
B
needn’t have told
C
mightn’t tell
D
mightn’t have told
________, please try your best to solve the problem in time.
#86362
A
Ought you get into trouble
B
Must you get into trouble
C
Can you get into trouble
D
Should you get into trouble