--- Have you told him we have changed the plan?I _____ have, but I haven’t done it yet.
#86932
A
must
B
ought to
C
needn’t
D
can’t
推荐题目
Something ___ to save our earth. Do you think so?
#88938
A
can do
B
must do
C
has to do
D
must be done
But for the heavy traffic, the police ___ the thieves who tried to escape in the stolen car. 
#87591
A
would not catch
B
couldn’t have caught
C
haven’t caught
D
couldn’t catch