-Look! It looks as if it going to rain. We must hurry. -OK. [ ] A．wasB．is C．were

I should like to try that coat on, for I don't kno...

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They all the details of the plan time and again to...

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micro-organism是什么意思?micro-organism怎么发音?mi...

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In order to get good marks, he has changed his att...

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Whatever may happen, go on until you succeed, and ...

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