1. Since the special computers, the paths of hurricanes have been predicted.(bạn xem lại cây 1 được k ạ ,viết với if you thì mình thấy hơi sai)
2.If the weather wasn't bad, we could go hiking in the mountains.
3. How high were the waves in the Japan tsunami 2011?
4.If I were you,I would study English in the UK.
5.Specific regions will be affacted in different way by global warming.
6.The Hawali volcano hasn't erupted for two years.