we must to the public the simple fact that drug are dangerous.
A. get across
B. get away
C. get back
D. get behind
网友回答
(答案→)A. get across
B. get away
C. get back
D. get behind
解析：短语辨析. A. 通过;使……被理解 B. 离开；逃脱 C.回来；取回 D. 支持；落后。句意：我们必须让公众了解药物是危险的这样一个简单的事实。选A。