_____the teachers in their school is about 200 and ________ them are women teachers.( )
A.A number of,a number of
B.A number of,the number of
C.The number of,a number of
D.The number of,the number of
-____you ever ____with a group? -Yes, I have .
---_______ he _______ from Beijing? ---No, he _______.
------ __ does your father go to see your grandmother ? ------Once a month .
study in Lufu Middle School?
I always tell my students _________ on the road because it’s really dangerous.