IV. Give the correct form of the verb. 1. I (do) ………….. my homework while Nick (watch)……….. TV last night. 2. Unless they (pass) ……….. their examinations, they would join the army. 3. What you (do) ……. at 8 p.m yesterday? 4. If we had the key now, we (solve) …………. the problem of traffic jam. 5. Stop (argue) ……… and start (work)……….. 6. Steve used (be) ………. a football player. He has to stop (play)………. because of an injury. 7. Don’t try (persuade) ……………. me. Nothing can make me (change) ………. 8. The hot weather (expect) …………. to continue while there were longer hours of sunshine. 9. The film (begin) ……….. when we (arrive) ……….. at the cinema yesterday GIẢI THÍCH NX NHA.GIÚP MIK NAH . CẢM ƠN