9 She last wore this ao dai in 2005
10 done our homework for 2 hours
11 did you buy this car?
12 studied English for 2 years
13 the first time I have talked to the head master
14 he had to leave for HN the day after
15 if she could play the piano
16 if she liked pop music
17 where I lived
18 Ba not to be late anymore
19 how long he would stay in England
20 It was raining, I went swimming
21 it rains, there will be a shortage of water
22 should be used for short journeys
23 have been printed on the ao dai by some fashion designers
24 interested in surfing the web?
25 she hurries, she will miss the last train
26 has already been done
27 I were free today, I could go on a picnic
27 speaking E in class
