I read ________ unusual story last night． ________ story is about Dr． Zhong Nanshan．（ ）
A．an；AB．a；TheC．an；The
Have scientists found life on Mars？
Not yet， but I think they ______ it some day．（ ）
A．findB．foundC．have foundD．will find
Can you play volleyball or basketball？
_______ of them． I'm good at ball games．（ ）
A．BothB．EitherC．NeitherD．None
Little Mary says good night to her parents ________ she goes to bed every day．（ ）
A．ifB．untilC．beforeD．unless
How often do you go to the cinema？
______．I only watch movies at home．（ ）
A．AlwaysB．UsuallyC．SometimesD．Never
It's ____ today． Let's go to the beach．
Sounds great! Don't forget your sunglasses．（ ）
A．rainyB．windyC．sunnyD．cloudy