II. Complete the form of the verbs in parentheses:​ 1. They want (buy) ............ ................................ some meat. 2. You must (wash) .............. .............................. your hands before meals. 3. I am used to (stay) ................. ........................... up late. 4. It takes him 2 hours (finish) ... ......................................... this exercise. 5. The test is too difficult for the pupils (finish) ........... ................................. in time. 6. He asked me (go) ...................... with him. 16.They let him (play) ...................... here. 7. It’s no use (tell) ...................... him (tell) ...................... the truth. 8. You had better (be) ...................... there on time. 9. The man shows us how (get) ...................... to the railway station. 10. I used to (visit)...................... Nha Trang.​ 17.Mai is busy (cook) ...................... in the kitchen. 11. It’s very kind of you (help) .......... ...........................me. 12. This film is interesting enough for me (see) ..................... .......................... it again. 13. Mai isn’t old enough (see) ................................ horror films