1. from
2. on
3. in
4. at
5. on
6. on
7. from
8. on
9. in
10. in
11. in
12. in
Ex2:
1. pet
2. Yes
3. can
4. sing
5. It
Ex1:
1. from
2. from
3. in
4. at
5. on
6. on
7. from
8. on
9. in
10. in
12. in
Ex2:
(1) pet
(2) Yes
(3) can
(4) sing
Từ lần sau hỏi thì tách ra cho dễ trl nhé