Ex 1.  Rewrite the sentences so that their meaning remain unchanged.

1. A train leaves for Lao Cai at 5 o’clock every morning.

=> There is ………………..…………………………………………………………..

2. The distance from Ha Noi to Hai Phong is about 80 km

=> It …………………..……………………………………………………………….

3. Work hard or you will fail your exam.

=> If ………………………..………………………………………………………….

4. My mother is always a careful driver.

=> My mother always drives ………………………….……………………………….

5. She washed clothes by hand in the past, but she no longer does it now.

=> She used to …………….………..………………………………………………….