My friend Tom me for an hour yesterday.A. keep; waitB. keeping; waitedC. kept; waitingD.

问题补充：

My friend Tom me for an hour yesterday.

A. keep; wait

B. keeping; waited

C. kept; waiting

D. keeps; to wait

答案：

A. keep; wait

B. keeping; waited

(答案→)C. kept; waiting

D. keeps; to wait

解析：句意：昨天我的朋友汤姆让我等了一个小时。根据时间状语可知描述的是过去的动作，故用过去时态，等待是主语的伴随性动作，故用现在分词。选C。