【S6】A．keep upB．reset inC．look afterD．add to

What is the function of an engine’s stationary parts？A.To add power to the engineB.To keep

The police need your help to（)the murderer.A look upB look forC track downD try out

【C10】A．look upB．look toC．look forD．look forward to

Dont be_____by products claiming to help you lose weight in a week.A．taken upB．taken inC．t

He tries to keep______of the latest development in IT industry.A．upB．abreastC．alongD．with

There is nothing about women______careers to look after children.A．to give upB．give upC．gi