题目内容
Such __ medical equipment is in ____ danger of breaking down, if not taken good care of.
A. a; the B. a; / C. /; the D. /; /
【答案】
D
【解析】
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题目内容
Such __ medical equipment is in ____ danger of breaking down, if not taken good care of.
A. a; the B. a; / C. /; the D. /; /
D
【解析】