句子改写:So it was very dangerous to cross it on a horse.So____

To swim in this river is very dangerous(用IT作形式主语改写句子） You ____ drive so fast,it is on a very dangerous road. 根据题意改写句子1To swim in this river is very dangerous.( 用it作形式主语改 it is very dangerous to you Was it very difficult to buy it on the He found it very interesting to rede a horse.为什么It 后无be动词 It was very dark,so they turned on a torch.这里为什么要用on a torch You _____drive your car so fast.It's very dangerous. it was very dark ,so they turned on a torch.so是副词还是连词,怎样区分 It is very dangerous to sit on the t( ) of the building 英语翻译Dangerous was the first tape I spotted,so I grabbed it a 英文改写!It was very hot.I could not sleep last night(用so...that