Because of the bad weather, the sports meet had to be ________.
正确答案： D
本题解析：
A 关闭，停业 B 废除，终止(与 with 连用) C 离开，起飞 D 取消
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He would have given you more help, if he ________ so busy.
After months of voyage, Columbus arrived in ______ later proved to be a new continent.
It rained hard yesterday, ______ prevented me from going to the park.
It is important to ________ your skin from the harmful strong sunlight.
He was ______ to withdraw from running for the presidency.
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If the operation ________ carefully prepared, it would not have been successful.