发布时间:2021-02-17 12:52:07
---Sam bees the top student because heis very clever.
---_______. Without the help of hishardworking teachers, he can’t make it at all.
A.I don’t think so.
B.I’m afraid so.
C.I agree with you.
D.I don’t know.
A
【解析】固定答语