问题：
I study in High School Affiliated to Southwest University. There are __________ students in our school. Nine ______________ of them are girls.
A.thousands of; hundred
B.thousand of; hundreds
C.thousand of; hundred
D.thousands of; hundreds
I study in High School Affiliated to Southwest University. There are __________ students in our school. Nine ______________ of them are girls.
A.thousands of; hundred
B.thousand of; hundreds
C.thousand of; hundred
D.thousands of; hundreds
A.thousands of; hundred
B.thousand of; hundreds
C.thousand of; hundred
D.thousands of; hundreds
参考答案：