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
