【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

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

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

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

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

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

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如下那个不是idempotent method （)A. currency convertingB. reset counter to 0C. add money

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