nếu đc giải thích hộ vs ạ
14. A country which exports a lot of rice is called a(n)__________country.
A. rice-export B. exporting-rice C. export-rice D. rice-exporting
15. He __________to Ha Noi ten days ago.
A. has gone B. went C. was going D. goes
16. When my father was young, he __________get up early to do the gardening.
A. was used to B. use to C. got used to D. used to
17. __________I came to see her yesterday, she was reading a book.
A. Before B. When C. While D. After