1, We last met our neighbors 6 years ago.
-> We have not
2, Lan did not write to her parents a month ago.
-> Lan has not
3, When did you start to listen to classical music?
-> How long
4, He started to live in Hanoi when he was 12.
-> He has
5, He often made a birthday cake for me.
-> He used
6, It's a pity he can not come to the party.
-> I wish
7, They learn English all over the world.
-> English
8, You must do this work right away.
-> This
9, Lan is interested in listening to pop music.
-> Lan enjoys
10, " I am having a wonderful time here " said Nga.
-> Nga said
11, " Why don't you go with me now ?"
-> She asked me
help me ~