Mary ate a banana a few minutes ago

11. Mary ate a banana a few minutes ago.

They have just

12. He left his house a few minutes ago.

 He has just

13. My parents send me some money every month.

 I

14. The gardener waters the plants every day.

The plants

15. Peter wrote a novel.

The novel

16. Jane did a lot of homework .

 A lot of

17. People built the bridge last year.

 The bridge

18. You must do this test carefully.

This test

19. They grow rubber trees in tropical countries.

Rubber trees

20. Children should drink milk every day.

Milk

21. I’m sorry, I’m not a doctor.

I wish

22. I can’t speak Chinese well.

I wish