ai làm giúp mik mik cho 50 xu
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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.