问题补充:
--- Has Mary come back yet?
--- Yes. She has got many books from her elder schoolmates, and the number 1000.
A. adds up
B. adds up to
C. add to
D. add up to
答案:
A. adds up
(答案→)B. adds up to
C. add to
D. add up to
解析:这题考查词义辨析:add up加起来,adds up to共计是, add to增加,句意是:--玛丽回来了吗?--是的,她从学长那里得到很多书,数量共计有1000.选B。