ai làm giúp mik mik cho 50 xu ----- Nội dung dịch tự động từ ảnh ----- EX12. Khoanh tròn đáp án đúng. 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.