Bài 1 :

1 did - catch 

2 threw 

3 went

4  met

5 taugh

6 watched

7was / stayed

8 paid

9 grew

10 walked

 Bài 2 :

1 did

2  has studied

3 arrived

4 married

5 ended

6 has waited 

7 liked

8needed

9 used

10 helped

Bài 3 : 

1 has just gone

2 haven't finished

3 has taken 

4 has stopped

5 Have you heard

6 have just washed

7 has stolen

8 Have you explained 

9 Have you had / have had

10 has the milkman left / has left

11 have you known / have known

12 have just made

13 Has Mary watered

14 Haven't you made

15 Have you ever left

"Học tốt"

:>>Hạ

Bài 1:

1.caught

2.threw 

3.went

4 .met

5.taugh

6.watched

7.was / stayed

8.paid

9.grew

10.walked

Bài 2

1.did

2.has studied

3.arrived

4.married

5.ended

6.has waited 

7.liked

8.needed

9.used

10.helped

Bài 3:

1.has just gone

2.haven't finished

3.has taken 

4.has stopped

5.Have you heard

6.have just washed

7.has stolen

8.Have you explained 

9.Have you had / have had

10.has the milkman left / has left

11.have you known / have known

12.have just made

13.Has Mary watered

14.Haven't you made

15.Have you ever left