What is the purpose of a professor’s office hours? （）
A.To give himself some private time. B.To help students with their studies. C.To spend more time with his students. D.To provide students with extra time for study.正确答案B
What is the purpose of a professor’s office hours? （）
A.To give himself some private time. B.To help students with their studies. C.To spend more time with his students. D.To provide students with extra time for study.正确答案B
