1. We are interested in……watching………….. film (watching).
2. The police let the thief………go)……. away. (go).
3. I am used to …stay………….up late. (stay).
4………Learning………. English is important. (learn).
5. I heard the neighbours…cry…….last night. (cry).
6. This novel was…written………..by Mr Nam.
7. He often has his wife………prepares…meals (prepare).
8. Students are fond of……reading……book. (read).
9. These boys like………playing……..soccer (play).
10. Mr. Nam is always busy…working…….on the farm. (work)
11. I sometimes make my parents……feel……..sad. (feel)
12. This room is very dirty. It needs…to clean…(clean)
13. He seemed ………amazed…..to hear that new. (amze)
14. This film is worth……watching……….It is very interesting (watch).
15. The students are eager……for know……..their marks. (know).
16. We are glad …to meet…..you again here. (meet)
17. It is very difficult……to study….English .(study)
18. Mrs. Lien has finished……to do…..that work. (do)
19. Our parents want us …………learn well. (learn)
20. I am looking forward to……receive…….your letter. (receive)