chủ động => bị động 1. nga had a birthday party at her house 2. his father bought a car 3. they used th computer 4. i wash the dishes after meals 5. they have planted a lot of trees in the park 6. Van Cao composed "Quoc ca" 7. She is repairing her pen in her room 8. She has watered flowers 9. Teacher allows student to study harder 10. They close the window in the evening

2 câu trả lời

1.A birthday party was had by nga at her house

2.a car was bought by his father

3.the computer was used 

4.the dishes are washed by me after meals

5. a lot of trees have been planted in the park

6."Quoc ca" was composed by van cao

7.her pen is being repaired in her room

8.flowers have been watered 

9.students are allowed to study harder by teacher

10.the window is closed in the evening

2. A car was bought by his father.

3. The computer was used.

4. The dishes are washed after meals.

5. A lot of trees have been planted in the park.

6. "Quoc Ca" was composed by Van Cao.

7. Her pen is being prepared in her room.

8. Flowers have been watered.

9. Students are allowed to study harder by the teacher.

10. The window is closed in the evening.

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