Drinking milk every day is________my health．So my mother wants me to drink it every day．
A．good at
B．good for
C．bad for
C．good with
The meeting for two hours.
A. has begun B. has been onC. began
Teachers should _____ their students to practice _____ English often.
A.encourage; speaking B.let; speak C.keep; speak
_____ of the teachers are women in our school.
A.Two third B.Two threes C.Two thirds
This machine is very easy to use . _____ can learn to use it in a very short time.
A.Somebody B.Anybody C.Nobody
There is _____ pollution in the world. We must stop it.
A. much too B.too much C. too many