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:B
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题目内容
Such ________ medical equipment is in ________ danger of breaking down, if not taken good care of.
a ; the
a ;/
/; the
/;/