The question will also calm the person ,______him or her know that help is on the way .

A．to let

B．lets

C．letting

D．to have let

待准入的住房按揭楼盘为尚未竣工验收的期房的，应提（）等相关证件。

A.建设工程规划许可证

B.建设用地规划许可证

C.国有土地使用证

D.房屋所有权证