Because of the rain we must holding the sports meeting.A. give upB. take offC. put offD.

问题补充：

Because of the rain, we must holding the sports meeting.

A. give up

B. take off

C. put off

D. give away

答案：

A. give up

B. take off

(答案→)C. put off

D. give away

解析：句意：因为下雨，我们必须延期召开运动会。A. give up放弃； B. take off 起飞； C. put off 延期； D. give away分发。根据句意和语境。故选C。