题目内容
12. Stepping carelessly off the pavement, ________.
A) the bus knocked the old man down B) the old man bumped into the bus
C) the old man had knocked down by the bus D) the bus hit an old man
B
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题目内容
12. Stepping carelessly off the pavement, ________.
A) the bus knocked the old man down B) the old man bumped into the bus
C) the old man had knocked down by the bus D) the bus hit an old man
B