We bought a used car that had belonged to an old couple who used the car only when they .......... shopping.

On Mercator's maps, the far northern and southern polar regions are______________.

On the slope of Long’s Peak in Colorado ……. The ruin of a gigantic tree.

_________ in Shanghai than in any other city in ChinA.

Modern industrial methods have supplanted individual crafts, _________ carvers, coopers, and cobblers virtually extinct.

Not only knowledge and skills, but also attitudes _________ in school for student's future adjustment to society.

The earth spins on its axis and _________23 hours, 56 minutes and 4.09 seconds for one complete rotation.

Physicians can look into the lungs, heart and other areas that were formerly .......... to them.