268. He has taught English in this university ever since he moved to this city.

A. 　The same to you.

B. 　That＇s OK.

C. 　 See you.

D. 　 Long time no see.

A. 　had better to

B. 　don’t

C. 　must not

D. 　don’t have to

A. 　medicine

B. 　pollution

C. 　environment

D. 　population

A. 　the faster

B. 　the more fast

C. 　the slower

D. 　the more slower

A. 　Oh, no. That’s OK!

B. 　 How do you like it?

C. 　Which do you prefer?

D. 　Would you like to try it on?

A. 　logos

B. 　styles

C. 　advertisements

D. 　colors

A. 　much

B. 　many

C. 　the more

D. 　much more