The artist ___________ the headmaster gave a prize is the teacher _________ I have been taught for two years.

A. from whom; by whom　　　 B. to whom; who

C.from whom; who　　　　　　　　　　　　　 D. to whom; by whom

All the _______（女售貨員）in our company are very good at promoting our products and selling our products.

　　 studying abroad can be hard, it can broaden your understanding of the word.

A. If B. While C. Because D. Since

—Why do you want a new job　　　　 you've got such a good one already?

　 —Well, I'm not satisfied with its working environment.

　 A.when　 B.while　 C.unless　 D.if

I can’t think out any other cases ______ people knew the law clearly but didn’t follow it.

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

What a pity. I was late so I missed 　　　 him.

A. to meet　　 B. meet　　　　 C. meeting　 D. met

Some wild animals，______ tigers and pandas，are in danger of dying out.

A. such as B. as such　 C. like such D. as

Water can absorb and give off a lot of heat without big changes in temperature, thus creating a ____ environment.

　 A. peaceful　　　 B. sensitive　　　　　　 C. common　　　　　 D. stable

The district committee ______ having a big headache in ______ with the aggressive boys who make trouble now and then in the area.

　 A. is; dealing B. are; dealing C. is; doing　 D. are; doing

Helping others is a habit, _______ you can learn even at an early age.

A. it　　　　 　　 B. that　　 　　 C. what　 　　　 D. one