A. official has servedB. officials have servedC. offici……

单项选择题The president stood by a window inside the room,（）, looking over the square.

A. where I entered
B. into which I entered
C. which I entered
D. that I entered

单项选择题As time went by, the plan stuck（）fairly practical.

A. to proved
B. to proving
C. proved
D. to be proved

单项选择题It was believed that things would get worse, but（）it is they are getting better.

A. before
B. after
C. because
D. as

单项选择题The students spent as much time getting trained as they（）studying.

A. disliked
B. were
C. had
D. did

单项选择题—Did your sister pass the exam —She failed and is in low spirits. —Im sorry for her. —（）

A. Thank you
B. You're welcome
C. I would think so
D. Never mind