Unless to speak, you should remain silent at the conference. [ ] A.invited B.inv
来源:网络
时间:
推荐文章
![Unless to speak, you should remain silent at the conference. [ ] A.invited B.inv](/pic/43_926719.jpg)
Unless ________ to speak, you should remain silent at the conference.
[]A.invited
B.inviting
C.being invited
D.having invited
试题答案
答案:A
提示:“在会议上你应该保持沉默,除非被邀请讲话。”主句主语与invite具有被动关系,故此处应使用表示被动关系的过去分词invited.unless invited to speak相当于unless you are invited to speak. |