The young girl couldn’t afford a new car. ______, shebought a used one.

ling, in its broadest ______, refers to the remaking of waste products and other used materials for practical purposes.

China has thousands of islands, the largest ___ is Taiwan.

下列各句中加线词语的使用，不恰当的一项是（ ）

It was ___________ who helped us out of danger.—What brave and helpful children! We should learnfrom them.