7、thes.(同义句)6.Knives________________cuttingthings.7.I__________________walkingaroundtheparkafterlunch.8.My uncle ____ go to work on foot, but now he ____ going to work by motorcycle. A. used to; is used to B. is used to; used to C. is used to; is used to D. used
8、to; used to9. What did they ____ to do at the age of 19? A, to used B. used C. to use D. use 10. My brother has been in London for ten years. Now he has ____