问题
选择题
Faced with financial crisis, we think it is time to ____ the trip to Europe. [ ]
A. call in
B. call for
C. call off
D. call on
答案
答案：C
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Faced with financial crisis, we think it is time to ____ the trip to Europe. [ ]
A. call in
B. call for
C. call off
D. call on
答案：C