选择正确的单词填空把句子补充完整。

1. He's wearing a blue coat _____________ (in / on) a Wednesday morning.

2. _____________ (What / Whose) day is it?

3. Today is _____________ (Tuesday / tuesday).

4. I _____________ (is / am) wearing a white sweater today.

电控房、电控房内控制柜及其它电器设备除要求整洁、规范、固定牢固外，还要求（）。电控房应密封、房子门不能敞开，进入电控房要脱鞋或换拖鞋。

A、无元器件缺损；

B、工作正常；

C、无泥污及灰尘；

D、无积水不潮湿；