Make questions for the underlined words or phrase

đề bài; Make questions for the underlined words or phrases

mọi người giúp mình với

----- Nội dung dịch tự động từ ảnh -----
12. They returned to America two weeks ago.
13. Mrs. Robinson bought a poster.
14. My father was in Ha Noi last month.
15. He traveled to Nha Trang by coach.
16. She went to the doctor because she was sick.
17. Nam left home at 7 o'clock yesterday.
18. He taught English in the high school.
19. The homework was very difficult yesterday.
20. She often does the housework after doing exercises.
21. They are planting some roses in the garden.
22. Liz will send these letters to her friends.