Your natural hair color begins to fade________you grow older, and in time you grow grey[ ]

Without the air to hold some of the sun’s heat,the earth at night　　　.

Ninein ten parents said there were significant differences in their approach toeducating their children compared with __ of their parents.

下列各句中，没有语病的一句是（ ）

This pair of shoes is too expensive. Please show me pair.