And video cameras can be used to＿＿people’s actions at home.A. keepB. makeC. recordD. watch

问题补充：

And video cameras can be used to＿＿people’s actions at home.

A. keep

B. make

C. record

D. watch

答案：

A. keep

B. make

(答案→)C. record

D. watch

解析：句中动作的发出者是video cameras因此答案是C，意思是“记录”。