—Bruce,how many students are there in your school?—Mmm, about            .
#51537
A
two thousands
B
two thousands of
C
two thousand of
D
two thousand
推荐题目
 The tall building has ______ floors. And Tony lives on the ______ floor.
#50954
A
twelve; twelve
B
twelfth; twelfth
C
twelfth; twelve
D
twelve; twelfth
She has visited Hong Kong_______, but she wants to be there a_____  time.
#51191
A
two, three
B
twice, three
C
twice, third
D
two, third