单选_____of the students in our class are from the north_____of the students in our class are from the north.A.Two-ninethB.Two-ninthC.Two-ninthsD.Two-nineths为什么?

问题描述:

单选_____of the students in our class are from the north
_____of the students in our class are from the north.
A.Two-nineth
B.Two-ninth
C.Two-ninths
D.Two-nineths
为什么?

B