His parents warn him ___________ computer games for a long time. It’s bad for his eyes.
A. to play B. not to play C. playing D. not playing
The old man __________for six years because of the bad illness.
A.has died B.has been dead C.is dying D.died
The gloves __________keep hands warm.
A.used to B.are used for C.are used to D.used for
When you meet a new word, you can ________ in a dictionary.
A.cut it up B.clean it up C.look it up D.put it up
---Do you know __________this letter is from?
A.which B.what C.how D.whom
---Tom, is your mother at home? --No, she __________Beijing on business .
A.has been to B.has gone to C.has been in D.went to
