属于总承包方的试运行和交付工作程序内容，说法不正确的是()。
A.编制计划和操作手册
B.培训服务
C.编写试车方案
D.参与试车、项目验收
参考答案：C
_____________ he need a pair of socks? [ ]
A. Is
B. Do
C. Does
The policeman came up to the house, whose door was open, _____ there for a while, and went in.
A．to stand
B．standing
C．stood
D．stand
