英语单句改错！~高手快进来！！

1.The rainstorm stopped them from going out.(from是个介词，后面加动名词)
2.Where is the key to my bike? (这是固定用法，开什么什么的钥匙用the key to ..)
3.I heard there was a traffic accident last night.(there be结构表存在，或用happen这个词后面只能由traffic accident作主语)
The temperature is going to be around 5℃. (going to do sth.)
It's very dangerous to play with fire. (玩什么东西要加介词with)
Please reach the airport on time tomorrow. (用arrive at也可以,reach是及物的，可以直接加目的地，arrive就不行，大地方要加in,小地方要加at)

供参考：1to go-going 2of-to 3happened-was或there-it 4is going to-will be 5fire前加with 6reach-arrive或划去at

The rainstorm stopped them from going out.
Where is the key to my bike?
I heard there had happened a traffic accident last night.
The temperature is going to be around 5℃.
It's very dangerous to play a fire.
Please arrive at the airport on time tomorrow.

1. from going out
2. the key to
3.there was a traffic accident
4.going to be around 5℃ (tempera