Rick has learned a lot about Chinese culture _____ he came to China.
The little boy is healthy, _____ he is happy, too.A.and B. but C.or
The meeting for two hours.A. has begun B. has been on C. 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