问题
选择题
---Sam becomes the top student because he is very clever.
---_______. Without the help of his hardworking 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.
答案
答案：A
情景交际. I don’t think so.我不这样认为;I’m afraid so.恐怕如此;I agree with you.我同意你的看法;I don’t know.我不知道.句意:因为他很聪明,萨姆成为了尖子生.联系下文,没有辛勤工作的老师的 帮助,他也不能做得到.结合语境可知选A.