Bài tập Tiếng Anh 8

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3. Jerry hasn't received the check yet.
4. Has Jim received an anonymous gift?
5. Mary is cutting the cake with a sharp knife.
6.They grow rice in the north.
7. We don't raise cows on our farm.
8. Was Maria writing poems at that time?
9. Does he often clean the windows?
10. How do people learn languages?