一．单项选择
( )1. We’ll go to the Summer Palace _____ it doesn’t rain this Saturday.
A. when B. if C. until D. because
( )2.Many professional athletes ______ in matches.
A. have injured B. get injured C. are injuring D. be injured
( )3. We need not these flowers anymore, please ________.
A. take away them B. take them off C. take them away D. take it away
