1,I haven't seen him last Christmas.
2,We have gone to Vung Tau several times.
3,He has already written to his parents.
4,Lien hasn't prepared her lessons yet.
5,They have just received a package from their grandfather.
6,Miss Huong has taught us English for 2 years.
7,Has she fedt her dog yet?
8,We have never taken a bus to school before.
9,Next week, my uncle will come back home for Christmas.
10,My teacher is explaining the lessons but I don't understand what he is saying.
11,Lan has been my next door neighbour when I lived in Hai Phong.
12,Theu usually go fishing at weekends.
13, I will see a movie tonight. Would you like come?
14,I prefer walk to go by bike.
15,Don't make noisy. The baby is sleepping.
16,I don't know where the Sao Mai movie is.
17,Her mother gave her a new novel yesterday.
18,Ba can't play soccer tomorrow.He will do his homework.
19,When I was young. I usually play with a kite.
20,My mother is interested in cooking and she cooks very well.
21,The 22nd SEA Games took place in my country two years ago.
22,They stopped talk when the teacher came in.
23,It is raining heavily now.
24,I lived with my parents until I went to HCM city.
25,I hope that he will win the race.