My sister __________ in a shoe company.[ ]
A. work
B. working
C. works
答案:C
If you want to advance yourself in your studies, you will first have to ________ yourself of those shortcomings that can become barriers to progress.
A.remove
B.react
C.rid
D.reduce
火力发电厂常用的转速表有离心式转速表、()和()等。