—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
网友回答
A. should
(答案→)B. might
C. need
D. would
解析：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。