The Great Wall is ____________ wall in theworld. There are many stories about it.

acks and drinks , but they also brought cardsfor entertainment when they had a picnic in the forest

As we know, paper is made ________ wood , that is to say wood is made ______ paper.

e the drowning child, the boy plunged into the icywater without hesitation, ____ his own safety.

Not until I went through his paper_________ what rapid progress he had made in writing.