A car accident happened there. An old woman . But the car drove away.

填入下面横线处的句子，与上下文衔接恰当的一组是（ ）去年暑假，爸爸带我去潜山玩。 ；山顶上，电视塔高高耸立，煞是雄伟。

r quality in our city, _____isshown in the report, has improved a lot recently

While I _____ my homework in my room, my mother _____ in the kitchen.

Niagara Falls is a great touristdrawing millions of visitors from all parts of the world every year