I.

1. look up

2. turn off

3. see off

4. put on

5. look after

6. look for

7. turn on

8. keep in touch

9. go on

10. Take off

II.

1. I wore a hat because I didn't want to get sick.

    I wore a hat so I didn't get sick.

    I wore a hat. Therefore, I didn't get sick.

2. The film is great. Moreover, it has an all-star cast.

     The film is great and it has an all-star cast.

3. I really want to join them but they are so busy working now.

    I really want to join them. However, they are so busy working now.

4. Do you learn English or French at school?

- $Answered$ $by$ $thieukhue$ -