8. The paiter hasn 't finished his work (yet) EX 3. Khoanh tròn đáp án đ úng. 1. His mother hasn't prepared the meal (already/ yet). 2. Tommy (worked/has worked) for this company for 10 months but now he doesn't work here. 3. This machine (has worked worked) for ten years so far. 4. Mr Vu (have found/ founded this non-profit organization to benefit the local community. 5. Jame's (not been/not) a member of the volunteer club since he left school. 6. Her husband (has given up/gave up) smoking when they had their first child. 7. (Have you read/ Did you read) this book yet? 8. I lost my key on my way home last night. Up to now I (didn't find/ haven't found) it. 10. They (were/have been) close friends for 3 months but now they hate each other. 9. You (have lied/ have lain) in bed since the morning. Get up and find something else to do. 12. How long (have you taught/did you teach) in this primary school? 11. (Have you ever tried/ Did you ever try) ice skating when you were a kid? The last time we met (has been/was) ten days ago. 14. You (have eaten/ haven 't eaten) anything since yesterday You must be very hungry now. 15. We (have been/ have never been) to this place before. This is the first time. họn câu có cùng ý nghĩa với câu cho sẵn. last summer.