题目内容
I’m sorry for __ all your stationery on your desk.
[ ]
A .knock down
B .knocking off
C. knocking on
D. knocked over
B .knocking off
C. knocking on
D. knocked over
B
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相关题目
---I have a bad cold.
---_______________.
| A.No problem. | B.Yes, you don’t look well |
| C.Thanks. | D.I’m sorry to hear that. |