—Would you mind my opening the window?

　　—______________. It’s much too hot here.

　　A. Certainly B. Of course not C. All right D. Never mind

—We can use QQ to communicate with each other online.

　　—Good. Will you you please show me ____________.

　　A. which to use B. how to use it C. what to use D. where to use it

 Tom would rather ___________ than ____________.

　　A. stay at home, go out B. to stay at home, to go out

　　C. to stay at home, go out D. stay at home, to go out

As teenagers, we’re ________________ our parents with housework.

　　A. enough old to help B. old enough to help

　　C. enough old helping D. old enough helping

All of us found _________ difficult to work out the maths problem.

　　A. it B. this C. that D. that’s

 —Wow! You’ve got so many skirts.

　　—But ____________ of them are in fashion now.

　　A. all B. both C. neither D. none

The world is becoming smaller and smaller because the Internet brings us

　　___________.

　　A. close B. closer C. the closer D. the closest

 Some people won’t know the value of their health _________ they lose it.

　　A. after B. when C. until D. as

—Many students don’t know how to _________ stress and become worried.

　　—I think they’d better ask their teachers for help.

　　A. argue with B. deal with C. quarrel with D. help with

—Where is my notebook?

　　—I don’t know. It isn’t here. Maybe ___________ took it away.

　　A. everybody B. nobody C. anybody D. somebody