1. have you learned - came

2. had - went

3. hasn't played

4. have just seen - has already done

5. missed

6. have never eaten

7. visited

8. hasn't worked

9. has been built

10. was

11. Have you finished

12. have already taken - took

13. shone - blew - sang

Bài 3: Bài tập Hiện tại hoàn thành và Quá khứ đơn

1/ What have you learned since you come here?

2/ Last night my friend and I had some free time, so we went to a show.

3/ Peter hasn't played football for a long time.

4/ I have just seen Andrew and he says he has already done about half of the plan.

5/ You missed your friend’s birthday party two years ago.

6/ A: Do you like lobster? B: I don’t know. I have never eaten it.

7/ I  visited  my hometown yesterday.

8/ My mother hasn't worked for the same store for 10 years.

9/ This building has been built since 1995

10/ My sister was born in 2001.

11/ have you finished  your homework yet?

12/ A: Are you taking Chemistry 101 this semester?

B: No, I have already taken it. I took it last semester.

13/ It was beautiful yesterday when we went for a walk in the park. The sun  shone. A cool breeze blew . The birds sang