问题描述：
以下两题选C,但我不知道为什么,
1．There are many kinds of metals_____
A.each has its special properties B.one has its special properties
C.each having its special properties D.having its special properties
2._______trouble,I’m going to forget the whole affair.
A.B略 C.Rather than cause D..Rather than caused
1．There are many kinds of metals_____
A.each has its special properties B.one has its special properties
C.each having its special properties D.having its special properties
2._______trouble,I’m going to forget the whole affair.
A.B略 C.Rather than cause D..Rather than caused
问题解答：
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