Too much pollution changes people’s life. Our government has done ____ to stop pollution.
A. useful something B. useful anything
C. something useful D. anything useful
—Would you like to be a volunteer to help clean the room?
—_____ .
A. That’s easy. B. It’s a pleasure.
C. Not at all. D. Of course not.
You _____ read in the sun， It’s bad for your eyes.
A. not ought to B. ought to
C. ought to not D. ought not to
My good friend always encourage me _____ trying and never give up whenever I’m in trouble. It makes me moved.
A. keep B. stop C. to stop D. to keep
My uncle works as a(n) _____ in Beijing. His main job is to help visitors from other countries.
A. actor B. guest C. guide D. planter
—Oh， I lost my wallet with my ID card in it!
— ________.
A. What a mess! B. It must be fun
C. That too bad. D. Just so-so.
