---Do you think it’s a good idea to make friends with your students?
--- , I do. I think it’s a great idea.
A. Really
B. Obviously
C. Actually
D. Generally
网友回答
A. Really
B. Obviously
(答案→)C. Actually
D. Generally
解析：句意：--你认为和你的同学交朋友是好主意吗？--事实上，我认为是个好主意。really真的； obviously显然； actually事实上；generally 一般地。故选C。