He traveled to many mountain villages and saw many poor children out of school. This experience his life.
I’ll show you the store ____you may buy all ____you need. A that; that B which; that C where ; which D in which; /
______ is known to all, working in such a place needs great determination.
As rainforests are being _______, the environment pollution is becoming more and more serious.
Recently I bought an ancient Chinese vase, _____ was very reasonable.
With all the passengers ________, the plane took off.