问题
选择题
Hearing something ________ downstairs, I opened the door and found my brother playing football.[ ]
A. kicking
B. to kick
C. being kicked
D. to be kicked
答案
答案：C
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Hearing something ________ downstairs, I opened the door and found my brother playing football.[ ]
A. kicking
B. to kick
C. being kicked
D. to be kicked
答案：C