问题补充:
After a week,he good ideas to solve the problems.
A. caught up with
B. came up with
C. ended up with
D. followed up with
答案:
A. caught up with
(答案→)B. came up with
C. ended up with
D. followed up with
解析:考查短语辨析。catch up with 跟上,赶上,come up with 想出,提出,end up with 以什么结束,follow up with跟上,句意:一周之后,他想出了好办法解决这些问题。故选B。