[参考答案]介词 基础练习
1. on
2. on
3. as
4. in
5. on
6. during
7. Since
8. in
9. from
10. across
11. on
12. against
13. off
14. on
15. on
16. on
17. by
18. out
19. out
20. with
21. Since
22. with
23. about
24. By
25. with
1. on
2. on
3. as
4. in
5. on
6. during
7. Since
8. in
9. from
10. across
11. on
12. against
13. off
14. on
15. on
16. on
17. by
18. out
19. out
20. with
21. Since
22. with
23. about
24. By
25. with
