1.Helicopters droped water on the fire and fought the fire.【改错】
问题描述：
1.Helicopters droped water on the fire and fought the fire.【改错】
1.Helicopters droped water on the fire and fought the fire.【改错】
2.We must stop to watch TV.lt's time for bed.【改错】
答
on the fire中的the去掉
to watch改成 watching