问题补充:
You’d betteryour scores and see if you have passed the exam.
A. add up
B. add up to
C. add to
D. add to up
答案:
(答案→)A. add up
B. add up to
C. add to
D. add to up
解析:考查短语辨析。add up 加起来,add up to 总计为,add to 增加,add to up无此搭配,句意:你最好把你的分数加起来看看你是否通过了考试。所以选A。