新型的师生关系要求( )。

多项选择题根据使用的主要教学方法，课的类型分为( )。

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 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The students spent as much time getting trained as they （）studying.

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

单项选择题I have no one （）me, for I am a new comer here.

A. help                 
B, helping 
C. to help               
D. to have helped