Please ________ sure that the house is locked before you leave.

Please ________ sure that the house is locked before you leave.
A、make
B、take
C、do
D、let
【正确答案】：A
【题目解析】：考察固定搭配，Make sure 确定，确认句意：请在离开前确认一下房子是否锁好了。