Question

[Trần Vinh]

điền giới từ

Answer 1

[Đỗ Thanh Hải]

1 in

2 for - at

3 on - on

4 at - on

5 on

6 at

7 at

Answer 2

[htfziang]

Part 5:

1. in

2. for-at

3. on - on

4. at - on

5. on

6. at

7.at