患者男性，36岁，双下肢痿软无力5年余，逐渐加重，腰膝酸软，不能久立，腿胫大肉渐脱，

用普通计时法表示下面的时刻

16时______

22时35分______

6时8分______

10时30分______．

He heard someone following him,and glanced round.He ________ a dark figure in the shadows.[ ]

A. lost sight of  

B. caught sight of

C. fell in love with  

D. lost touch with

Had you come five minutes earlier, you（）the train to Birmingham. But now you missed it.

A.would catch

B.would have caught

C.could catch

D.should catch

我国行政机关实行（）

A．委员会制

B．首长负责制

C．议会制

D．混合制