15, Tom (plays) football every weekend.

16,( Whose) books are they ? 

17, At lunchtime, you can (have) lunch in the school canteen.

18, (Doing)morning exercise is good for you .

19, I live ( at ) 26v Tran Hung Dao street.

20, He looks different ( at ) his father,

21, Lan ( lives ) at 25 Ly Thuong KIet street.

22, At break time, i go to the library and ( read ) books.

23, Listen to music is one of the most popular leisure ( activities ) 

24, In order to keep ( healthy ), you should eat well and exercise regularly.

25, My sister always has a lot of new ideas. She's a ( creative ) person.