单项选择题
Speak louder, （）you won't make yourself heard in such a big room.
A. but B. and C. or D. for
单项选择题 （）will he finish his new novel In a couple of weeks, I think.
单项选择题 In this park, sparrows often fly down from trees to eat from visitors' hands. They are used to （）in this way.
单项选择题 We don't have any shoes in your（）
