Question

Kathy ______ a lot of Japanese while working with some Japanese engineer

1. A.
   made up
2. B.
   took up
3. C.
   pick up
4. D.
   turned up

Answer 1

C
考查短语辨析。made up 组成，took up 从事，pick up 捡起，偶然学会，turned up 出现，句意：当凯西和一些日本工程师工作的时候偶然学会了许多日语。所以选C。