问题
选择题
The flight to Guangzhou had to be________because of the heavy snow.
A．put up
B．put out
C．put off
D．put down
答案
答案：C
题目分析：句意：到广州的航班不得不延期因为大雪。put up张贴，挂起。建造。搭起；.put out 熄灭；put off 推迟，延期；.put down放下。所以选C。
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