I was waiting to () the road.原句:I was waiting to walk across the road.

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如果本题有什么不明白可以追问,I was waiting to () the road.I was waiting to walk across the road. The car stopped()()and()()the boy.The car stopped before hitting the boy.I was waiting to (cross) the road.I was waiting to walk across the road.The car stopped(in)(time)and(didn't)(hit)the boy.The car stopped before hitting the boy.