问题补充：
The open-air celebrations has been put off the bad weather.
A. in case of
B. in spite of
C. instead of
D. because of
答案：
A. in case of
B. in spite of
C. instead of
(答案→)D. because of
解析：答案为D. 考查固定短语。题意为：因为天气不好，庆祝活动被推迟。In case of 万一，在…….情况下；in spite of 尽管；instead of 代替，而不；because of 因为。
