It's very dangerous to swim at the pool 解释下为什么用to?是固定的吗?

You mustn't d---- too fast. It's very dangerous. It's quite dangerous,but very exciting 翻译成中文 it’s sometimes dangerous to go alone.But it’s very interesting怎么翻译 her mother doesn't like her job beacuse it's very dangerous 对划线部分提问.提问画线部分为it's very dangerous Don't play___fire.It's very dangerous.A with B / C with a D with the 介词填空：Don't walk ____the street.It's very dangerous.填什么为什么 it's,play,still,they,very,although,dangerous,in the street（连词成句） You can't swim here.It's very dangerous.改为祈使句 It's very dangerous to swim in a d____ river.中应该填什么? It's very dangerous climbing the high mountain这句话哪里错了 9.Don't ________ ________ each other.It's very dangerous.(危险的) It's danger 还是 It's dangerous Is it very dangerous?的中文意思 英语填空it's dangerous to play near the well.i hope every student can remember it very c__题干是这个：it's dangerous to play near the well.i hope every student can remember it very w— 英语填空：it's dangerous to play near the well.i hope every student can remember it very w— it is very dangerous to youit is very dangerous for you哪个对? Don't run when you go _____ the street ,it's very dangerous.A .across B .through I find the little boy very Ainteresting Binterested Cinterest Dinterests It's too dangerous to ____(swim)alone