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

at once pick up
Be careful Don't take
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再问： 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.
再答： 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.