— ________ is your new bike?
— I ________ about 900 yuan for it.
A:How many; paid
B:How much; paid
C:How much; took
二战前夕,非洲只有埃及、利比里亚、( )三个国家独立。
如图,设正方体ABCD﹣A1B1C1D1的棱长为1,则直线B1C与平面AB1D1所成的角是( )
地球上五带的划分依据是( )