---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
The professor gave orders that the test ____before 5:30.
#86937
A
be finished
B
will finish
C
will be finished
D
shall finish
He ____ have the ticket if I buy it . 
#89762
A
will
B
must
C
shall
D
ought、