用所给单词的适当形式填空。

1. He was a natural leader, and when he ____ (command), everyone obeyed.

2. Theory ____ (base) on practice and in turn serves practice.

3. I am just ____ (request) that you keep him safe.

4. The girl ____ (recognize) her father and cried at once.

5. The meeting ____ (expect) to end in the morning.

全国政协十一届四次会议将“‘十二五’期间加快城乡社会保障一体化发展的提案”列为1号提案，建议国务院交由相关部门办理。这表明 [ ]

A．人民政协履行参政议政职能

B．国家机构致力于消除城乡发展不平衡

C． * * 党和民主党派是监督与被监督的关系

D．人民政协拥有重大事务决定权