某飞行员持有Ⅰ级体检合格证，他的年度体检合格日期是8月12日，则他的体检合格证的有效

史书记载：“如置诸州通判，……故常与知州争权”，反映的朝代是（   ）

A．汉朝

B．唐朝

C．宋朝

D．清朝

You should work harder at your English, ____ you won't pass the exam. [ ]

A. but

B. and

C. or

D. so

The monitor suggested       to the Sea World in the summer vacation.

A．to me visiting

B．their visiting

C．to me their visit

D．they visit

Daniel is a careful driver, but he drives ______ of my friends.  [ ]

A.  more carefully    

B.  the most carefully

C.  less carefully    

D.  the least carefully

They were so far away that I couldn't _____ their faces clearly.

A．see through

B．make up

C．see off

D．make out