chuyển sang câu bị động; thì hiện tại hoàn thành
1. i have bought this teddy bear in that shop
2. vicky has found her hat
3. i have lost my bag
4.we have finished the report
5.i have done my exercise for three days
6. tom has seen this film before
7. nina has read the newspaper already
8.they have seen these movies yet
9. i have signed the contrac
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Sinh Học lớp 12
