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问题

Some plants can take in carbon dioxide we breathe out and give ______ oxygen to us

A:in case
B:in turn
C:in return
D:in addition
正确答案是:
同类题型

Look at this ! I_____some magazines and______this letter

his is nothing but common vegetablesoup!–_____, madam. This is our soup of the day.

I’ll be out for some time______ anything important happens, call me up immediately

I am still worried about the job interview.— Be confident and __________.

I _________ the book for a whole hour —- No wonder you look so tired

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