849.After he retired from office, Rogers _____ painting for a while, but soon lost interest.

A.took up

B.saved up

C.kept up

D.drew up

850.For all these years I have been working for others. I'm hoping I'll _____ my business someday.

A.turn up

B.fix up

C.set up

D.make up

849.答案是A;

take up从事，开始干;draw up草拟，制定，停止。根据下文but soon lost interest得知，此处 应选A。

850.答案是C;

turn up找到，出现，调大;fix up修补，解决;set up建立，成立;make up编造，组成，化妆。