`I.` 

`1.` haven't watched (HTHT)

`2.` watched (last night `->` QKĐ)

`3.` have read (before `->` HTHT)

`4.` read (last vacation `->` QKĐ)

`5.` had (last week `->` QKĐ)

`6.` have had (HTHT)

`7.` haven't seen (for a long time `->` HTHT)

saw (ago `->` QKĐ)

`8.` rang (QKĐ)

`9.` met (last night `->` QKĐ)

became (QKĐ)

`10.` hasn't drunk (since this morning `->` HTHT)

`II.` 

`1.` has seen 

`2.` have finished

`3.` have lived

`4.` have just washed

`5.` have discussed

`6.` has never been

`7.` have known

`8.` have learnt/have learned

`9.` have been

`10.` have stayed

I

1. We have never watched that TV programme.

2. We watched a good programme on TV last night.

3. He has read that novel many timer before

4. He read that novel again during my last vacation

5. I had a little trouble with my car last week.

6. However, I have had no trouble with my car since then.

7. I haven't seen John for a long time. I saw him 3 weeks ago.

8. The school bell rang . We must go now.

9. I met Mary last night. She has become a very big girl.

10. He is very thirsty. He has not drink since this morning.

II

1. Tom has seen this film before.

2. I have finished my exercise already.

3. They have lived here since 1990.

4. My father has just washed his car.

5. The students have discussed the question recently.

6. Mary has never been to Ha Noi.

7. We have known each other for 5 years.

8. So far we have learnt five lessons.

9. We have been pen pals for a long time.

10. They have stayed here since last week.