hoàn thành câu sử dụng since hoặc for 1We haven’t heard from them ………………… ages 2. They waited for you …………………… two days 3. They haven’t met him……………………he left the room 4. We have bought the new car ……………………… 1999 5. Haven’t you seen him ………………………Christmas? 6. It was not rained …………………………May 7. I haven’t written to him ……………………… five months 8. She has spoken to them ………………………… this morning 9. We have listened to music ………………………8a.m 10. The house been built …………………………… last year