I:

1: since
2: for
3: since
4: for
5: since
6: for
7: for
8: since
9: for
10: since

II:

1: planted
2: built
3: been
4: thought
5: bought
6: done
7: worked
8: written
9: heard
10: waited
11: seen
12: eaten
13: learned
14: put
15: met
16: gone
17: died
18: stayed
19: stood
20: lived

III:

1: has built
2: have taught
3: left
4: took - had
5: bought
6: Have you studied
7: started
8: haven't worked
9: Has she written
10: haven't seen

IV:

1: I have had a bad cold since yesterday
2: They have lived here for 5 years
3: He hasn't seen his wife for one year
4: He has worked in a hotel for a long time
5: My family has lived near Lan's house since April
6: My sister has gone to Hue since last year
7: He has been at the meeting since last night
8: Have you been there for 2 hours?
9: Mr. John has worked in Viet Nam since 2008
10: He has written the essay for 4 o'clock

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$@Lynn^{}$

$Xin^{}$ $hay^{}$ $nhất^{}$ $cho^{}$ $team^{}$