I

1.Goes

2.Go

3.Didn't used to

4.Be

5.Play

6.Have known

II

1.She is from Hue.

2.She is staying with her parents.

3.No she doesn't

4.Because she misses her parents and her friends.

6.A (It is (about)+ khoảng cách from A to B)

7.A( Bạn đến trường bằng gì?)

8.A (by bike: bằng xe đạp)

9.A 

10.A(How/What about+Ving+....)

EXVIII:

1.goes( Hiện tại đơn)

2.go(S+used to+V....)

3.didn't use to(S+didn't +use to+V....)

4.be(S+used to+V....)

5.play(S+used to+V....)

EXIX:

1.Hoa froms Hue.

2.She is staying with her uncle and aunt.

3.No, she doesn't

4.Because she misses her parents and her friends.