题目内容
【题目】_____ 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】试题分析：句意：对于人类来说，关心环境是很重要的。在这个句子中，动名词短语做主语，系动词be用单数。故答案选B。
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题目内容
【题目】_____ 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】试题分析：句意：对于人类来说，关心环境是很重要的。在这个句子中，动名词短语做主语，系动词be用单数。故答案选B。