21、Many professors of the university have attended various international _______abroad.
A: issues
B: courses
C: organizations
D: conferences
A: issues
B: courses
C: organizations
D: conferences
举一反三
- Many professors of the university have attended various international _______abroad. A: issues B: courses C: organizations D: conferences
- 33、Many professors of the university have attended various international _______abroad. A: issues B: courses C: organizations D: conferences
- There are many well–known professors in our university
- There are many well-known professors in our university, of which he is the most ____.
- Many issues in the current world need to be solved through international cooperation.