【题目】New ideas sometimes have to wait for years before ______.
A.being fully acceptedB.fully accepting
C.having fully acceptedD.fully accepted
在线课程【答案】A
【解析】
考查非谓语动词的语态。句意：新思想有时要到若干年后才能被接受。句中非谓语动词的逻辑主语为New ideas，与非谓语动词为动宾关系，是非谓语动词动作的接受者。Before为介词，介词后要用动名词，所以要用动名词的被动语态。故选A。