1. They (clean) cleaned………..……… the beach one week ago.
2. They (collect)have collected………..……… hundreds of books so far.
3. I (live)have lived ………………… in this village for three years.
4. I (visit)visited ……………………..……… Hue last year.
5. They (just, buy)have just bought…………..……… a new house.
6. He (buy)bought……………..……… a car two months ago.
7. Yesterday I (go)went.……… to the supermarket but it was closed.
8. They (be)have been……………..……… to that supermarket three times.
9. Nam’s friends often (give)give…..……… him stamps from other countries.
10. My brother hates (do)doing ……………………..……… the same things day after day.
11. My parents like (live)living ……………………..……… in the countryside.
12. My sister (practice)practiced ……………………..……… the guitar twice a week.
13. Nancy (be)has been……..……… to Vietnam several times.
14. They (not start)haven't started………………..……… the project yet.
15. Tom (call)called ……………………..……… his boss yesterday.
16. My uncle (move)moved ……………………..……… to Da Lat in 2005.
17. We (go)have gone ……………………..……… to that village to do volunteer work several times.
18. We (spend) spent……………………..……… our summer vacation in Ha Long Bay last July.
19. Our teacher (explain)has explained ……………………..……… to us how to use the printer already.
20. My pen isn’t here any more. Someone (take)has taken.……… it already.
21. Mai (not finish)hasn't finished……………..……… her homework yet.
22. The postman (deliver)delevered………..……… the letter half an hour ago.
23. She (donate)has donated ……………………..……… blood twenty times so far.