【題目】_____ the environment is important for human beings.

A. Take care of B. Taking care of

C. Took care of D. Take the care of

【答案】B

【解析】

試題分析:句意:對于人類來說,關(guān)心環(huán)境是很重要的。在這個句子中,動名詞短語做主語,系動詞be用單數(shù)。故答案選B。

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