Suddenly, we heard that there was a loud knock ____________ the door.
A. over
B. in
C. at
D. with
查看答案
The doctor said I go back to the hospital; my leg is all right now.
A. mustn’t
B. needn’t
C. won’t
D. can’t
Most of the passengers in the traffic accident. Only three of them survived.
A. are killed
B. were killed
C. killed
D. was killed
I remember mother once us a story about the fox.
A. tell
B. telling
C. to have told
D. have told
If you me, you would not be in such trouble now.
A. have listened to
B. listened to
C. would have listened to
D. had listened to
微信支付 
支付宝支付