College students should channel their energy ___________ useful activities.
举一反三
- 中国大学MOOC: 13. College students should channel their energy ____ useful activities.
- 13. College students should channel their energy ____ useful activities. A: A. into B: B. in C: C. to D: D. on
- Students should an active part in campus activities.
- All in all, students should be encouraged to take part in activities.
- Listening activities should not _____ test the students' memory.