Điền từ thích hợp vào chỗ trống

1.The storm which (occur)........at the end of January (destroy).............several house.
2. I (speak)......to her since she (move) to England.
3.By the time the rescue team (arrive) ....., 50 people (injured).........in the fire.
4.If i earn enough money, i (buy) a machine which can predict disasters
5.If we become more awaer of the environment, many diseaser can (prevent)........