13、词汇We require 30 days' ________ notice if you wish to cancel your membership.
A. before
B. ahead
C. front
D. advance
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12、词汇 If you want to ________ that you catch the plane, take a taxi.
A. ensure
B. confirm
C. insure
D. assure
11、词汇 Officials said there were no ________ of the plane crash according to the latest research.
A. survivors
B. visitors
C. pilots
D. investors
10、词汇 The ________ who ought to know better wants to unpick last year's reform of Europe's common agricultural policy.
A. statesman
B. fireman
C. businessman
D. postman
9、词汇 A ________ carried in relay by cross-country runners is used to light the Olympic flame which burns without interruption until the end of the Games.
A. cliff
B. torch
C. subway
D. index