问题
选择题
—I have telephoned him twice but I couldn’t get through.
—I think that the line _____ be being worked on today.
A．should
B．might
C．need
D．would
答案
B
题目分析：句意：--我已经打了两次电话给他，但是都没有接通。--我想今天线路可能很忙。用might表示不确定的推测，should应该，need需要，would将会，所以选B。
