1.this is the first time I have ever been to Viet's native village

2 he asked me if I was leaving for Ha Noi the next day

3 two department stores have been built this year

4 this homework must be done carefully

5 he said that he would leave there that month

6 it's two years since we last visited kuala lumpur 

7 the new style of jeans was first introduced in 2000,wasn't it?

8 it rained hard, he stayed at home

9 mr.brown used to drink tea after meal

10 my father advised you to enroll in this college

11 the house is cheap so we decided to buy it

12 if I got up early I would have enough time for breakfast

13 the water is so polluted that we can't swim in this part of the river

14 the weather was bad so we didn't go camping

15 if lan hurried she wouldn't miss the bus

16 if he were careful,he wouldn't drop the cup

17 she wishes she had time to revise the lesson

18 peter is the same age as van

19 they asked him what would he do to help his mother

20 she hasn't written to me for seven months

21 because it's raining hard,we can't go out now

22 I was sent a postcard last week

23 Nga is looking forward to meeting her aunt again

24 The Parkers are nice so Van feels like a member of their family.

25 if you practice speaking english everyday you can improve your english

26 I wish I got to school early

27 it's very wonderful to spend the weekend in the countryside

28 if she doesn't hurry she will miss the train