1.I _________ (do) all the housework. The flat is really clean now. 2.He _________ (write) a novel for two years, but he _______ (finish) it yet. 3.My brother _________ (leave) home 10 years ago. I _________ (never/ meet) him again since then. 4.What _________ you _________ (do) last weekend? You _________ (play) golf? 5.I like your car. How long _________ you _________ (have) it? 6.Mai _______ (buy) a new dress last month but she _________ (not wear) it yet. 7.Mr. Quang _________ (teach) Math in this school since he _________ (graduate) from the university in 1989. 8.you (hear) of Agatha Christie? She (be) a writer who _________ (die) in 1976. She _________ (write) more than 70 detective novels _________ you _________ (read) any of them? 9.When I _________ (get) home last night, I _________ (be) very tired. 10. Daniel _________ (earn) some money last week. But I’m afraid he _________ (already/ spend) it all.