企源知识库

You can go out to play________ you stay in the back yard.
A、as long as
B、as far as
C、as soon as
D、as much as
【正确答案】：A
【题目解析】：as long as的意思是“只要”。原句的意思是“只要不出后院，你就能出去玩”。因此，我们选择A. as long as。