The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.
#89083
A
shan’t
B
can’t
C
needn’t
D
mustn’t
推荐题目
The teacher commanded that the exercises       in an hour.
#87238
A
was finished
B
were finished
C
should finish
D
be finished
When you phoned me,I was having a meeting,otherwise I_______your call.
#87990
A
answered
B
would answer
C
had answered
D
would have answered
— You didn’t invite John to the party?   — ________ him, too?
#87276
A
Should I invite
B
Should I have invited
C
Must I invite
D
Must I have invited