=>
2. I haven't seen my uncle for two years.
3. I will talk to him when I reach my office.
4. Mom suggests donating our old books,toys and clothes to charity.
5. Jane stayed behind after the class because she wanted to talk to the teacher.
6. They've never been to Korea before.
7. When did you john Volunteers in Asia?
8. We encouraged people to recycle glass, cans and paper.

I/
1. A /s/ còn lại /k/
2. D /tʃ/ còn lại /k/
3.  B /ə/ còn lại /juː/
4. C /dʒ/ còn lại /g/
5. A /ə/ còn lại /əʊ/

I,

1,I haven't seen my uncle for two years 

2,  I will talk to him when I reach my office

4, mom suggested us donate our old books, toys and clothes to charity.

5,Jane stayed behind after the class in order because she wanted to talk to the teacher

6, they weren't to Korea before

7,When have you  joined to the Volunteers In Asia?

8,We encouraged people recycle glass, cans and paper

II,

1, a

2,b

3,b

4,c

5,d