1. I ......................... (do) ................... all the housework. The flat is really clean now. 2. He ........................(write) a novel for two years, but he ...............(not finish) it yet. 3. My brother ................... (leave) ................ home 10 years ago. I ................ (never/ meet) him again since then. 4. I like your car. How long ..................... you ....................... (have) it? 5. What ....................... you .................... (do) last weekend? 6. Mai ......................(buy) ................ a new dress last week, but she ............... ................................... (not wear) it yet. 7. Mr. Quang ...................... (teach) math in this school since he graduated from the university in 1989. 8. ..................... You ................ (hear) of Agatha Christie? 9. When I ........................ (get) ...................... home last night, I .................. (be) very tired and I ................................... (go) straight to bed. 10. Daniel ...................... (earn) some money last week. But I'm afraid he ................ (already/ spend) it all. biết câu nào làm câu ấy