题目内容
—Is it necessary us some photos before saving the old man?
—Yes, it is. We can protect ourselves if we do so.
A. of; taking B. for; taking C. of; to take D. for; to take
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题目内容
—Is it necessary us some photos before saving the old man?
—Yes, it is. We can protect ourselves if we do so.
A. of; taking B. for; taking C. of; to take D. for; to take