根据词首字母或汉语提示完成单词。

1. Have you been to that _____ (超级市场)?

2. Look!Some of the boys are swimming in the s _____ pool.

3. My sister has been to Tian'anmen S _____  twice.

4. Do you know where the C _____  Mao Memorial Hall?

5. There is an_____ (入口处) on the left.

建设工程项目实施过程中，质量控制系统涉及多个质量责任主体，其中属于监控主体的是 ( )。

A．建设单位

B．劳务分包单位

C．施工单位

D．材料供应单位