Our school sports meeting will start the morning of next Saturday.A. onB. atC. inD. to

问题补充：

Our school sports meeting will start the morning of next Saturday.

A. on

B. at

C. in

D. to

答案：

(答案→)A. on

B. at

C. in

D. to

解析：考查时间介词。句意“我们的校运动会将在下周六的上午开始。”指具体的一天及一天的上下午用介词on。这里指下周六的上午。故选A。