Air, ________ we breathe every day, is around us all the time.

[    ] 　　

A. that   B. /   C. which   D. it

The last place ________ they visited was the chemical works.

[    ] 　　

A. where   B. which   C. that   D. in which

I never forget the day _____ I first came to New York.

[    ] 　　

A. that   B. when   C. which   D. in which

He is the only one of the students ________ want to accept the teacher's advice.

[    ] 　　

A. that don't   B. who don't   C. who doesn't   D. that do

The government provided food and shelter for ________ who suffered from the earthquake.

[    ] 　　

A. this　　B. these　　 C. that　　D. those

What he does can't related to ________ he says.

[    ] 　　

A. that   B. what   C. which   D. how

The higher we stand, ________ we see.

[    ] 　　

A. far　　　　   B. the far 　　

C. the farthest  D. the farther

Workers, ________ mummers range from a dozen to more than 50, 000 in a colony depending on the species, gather nectar and pollen.

[    ] 　　

A. who   B. whom   C. whose   D. which

People have collected the honey ________ by wild honey bees for thousands of years. 

[    ] 　　

A. make   B. making   C. made   D. to make

We must always keep alive everything ________ is good in our traditions.

[    ] 　　

A. that   B. which   C. what   D. how