( ) —________ hours do you sleep every night?— Eight hours

问题描述:

( ) —________ hours do you sleep every night?— Eight hours
( ) —________ hours do you sleep every night?
— Eight hours.
A、How many
B、How long
C、How often
D、How far不应该选A吗

是选A.只有how many后面才可以带名词的复数形式.