Iwon’tgototomorrow’sparty

问题详情：

 I won’t go to tomorrow’s party________  I am invited.

  A. if                         B. unless                      C. When     e

【回答】

B 考连词的意思。If “如果”；unless “除非”；when“当......时候”。

 ——Are you sure he is able to do the work well?

——______ he would give his mind to it.

case  only  l  ss

*D

知识点：连词

题型：选择题