问题
选择题
Bob saw a man _____ a little boy with his car in the street yesterday.[ ]
A. write down
B. knock down
C. fall down
D. climb down
答案
答案：B
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Bob saw a man _____ a little boy with his car in the street yesterday.[ ]
A. write down
B. knock down
C. fall down
D. climb down
答案：B