III
1 went
2 often goes
3 didn't do
4 doesn't do
5 often talk
6 Did you talk
7 didnt speak
8 doesn't speak
9 did she live
10 do you live
11 did you last meet
12 meets
13 am - eat
14 was
15 sells
16 sold
17 often wait
18 waited
19 visited
20 did - visit
IV
1 failed
2 has taught
3 haven't finished
4 finished
5 didn't speak
6 sold
7 has lived
8Have you already done
9 has she lived - left
10 haven't found - left
11 did - see
12 have waited
13 has been
14 has met
15 has taught
16 took
17 Did - tell
18 didn't come
19 did - go
20 has already drunk
1.went
2.often.goes
3.didn't.do
4.has.not.did
5.often.talk
(máy.tính.bị.hỏng.dấu.cách.nên.thay.bằng.dấu.chấm.nhá,thông.cảm)
