At night, plants _________carbon dioxide and at the same time _________oxygen. So, we may put some in our bedrooms to purify the air. A.take in, give outB.take up, give offC.take in, give inD.take off, give up
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When we were young, every evening my brother and I _____stay..
When we were young, every evening my brother and I _____stay at home waiting for our mother. [ ]A. would B. might C. should D. could
His idea of having weekly family meal together, which seemed..
His idea of having weekly family meal together, which seemed difficult at first,hasmany good changes in their lives.A.got throughB.resulted fromC.turned intoD.brought about