—I missed the first part of the film. It was really a pity.

—You __________ home half an hour earlier.

A．should go

B．must have gone

C．should leave

D．should have left

（）年12月3曰，上海成功取得了2010年世界博览会的申办权。

A．2000

B．2001

C．2002

D．2003