问题补充:
—How many hours do you sleep every day ?
—.
A. Once a day
B. Eight
C. Usually
D. Three times
答案:
A. Once a day
(答案→)B. Eight
C. Usually
D. Three times
解析:句意:——你每天睡多少小时?——八小时。once a day一天一次,eight八,usually通常,three times三次。How many hours是询问多少小时,所以选B。