Bài 2:

1. Have done

2. Has written/ hasn't finished

3. Left/ have never met

4. Have you had

5. Did you do/ you played

6. Bought/ hasn't worn

7. Has taught/ graduated

8. Did you hear /was/ have read

9. Got/was/went

10. Earned/has already spent

     Bài 3:

1. We haven't seen her for Christmas day.

2. This is the first time I eat this kind of food.

3. It has rained for an hour.

4, The last time we visited my grandmother two months ago.

5. I began to study English three years ago.

6. It's early five years since the last time my brother saw his best friend.

II.

1. Have done

2.has written/hasn't finished

3. left/have never seen

4. have you had

5. did you do/Did you play

6.bought/hasn't worn

7.has taught/graduated

8.Did you hear / was/have read

9.got/was/went

10.earned/has already spent

III.

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