13. —British Airways will ________ an extra flight to London tomorrow. —Really? That’s good news for

13. —British Airways will ________ an extra flight to London tomorrow.
—Really? That’s good news for us. It’s very convenient
A. put off     B. put up     C. put on     D. go on
【答案】C
【解析】句意：——英国航空公司明天将增加一班到伦敦的航班。——真的吗？那对我们来说真是个好消息。非常方便。考查动词词组。A. put off推迟    B. put up搭起，建起    C. put on增加    D. go on继续。根据It’s very convenient可知，对于我们非常方便，可知是加了一班航班，故选C。