2.
3.
4.
5.
6.
7.
8.
9.
[Go back to Unit 4] [Go back to Contents]
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 0 |
Please click on the speaker icon and listen to the question. Answer the questions based on your own situation.
2.
3.
4.
5.
6.
7.
8.
9.