【題目】It's ______ black.It's ______ black pen.

A. a；a B. a；/ C. /；a D. /；/

【答案】C

【解析】本題考查冠詞。句意“這是黑色的，這是一只黑色的鋼筆”。顏色之前不加冠詞，一支黑色的鋼筆，空前用a,根據(jù)句意，故選C。

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