问题描述：
The number of the students in our grade ________about six _______,of them are girls.
A.are,hundreds,two- thirds B.is,hundred,two- third
C.is,hundred,two thirds.D.are,hundreds,two third
A.are,hundreds,two- thirds B.is,hundred,two- third
C.is,hundred,two thirds.D.are,hundreds,two third
问题解答：
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