Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.

Water, which seems so simple and common, is ______ makes life possible.

The present question is ____ many students consider it impossible ____ is really possible if effort is made.

One advantage of fishing is ______ it can give you a lot of pleasure.

 The Oscar Award is ______ all outstanding actors and actresses ______.