___________ of the teachers in the school is about one hundred．___________of them are women teachers．

A．The number；One third                B．The number；First third

C．A number；One three                  D．A number；Three one

________ of the teachers in our school is about one hundred, and ________ of them are women teachers．

1. A.
   The number, two thirds
2. B.
   The number, two third
3. C.
   A number, half
4. D.
   A number, three quarters

________ of the teachers in our school is about one hundred, and ________ of them are women teachers.

[　　]

A．The number; two thirds

B．The number; two third

C．A number; half

D．A number; three quarters