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练习题： 1、 All the people at the conference are ______. a. mathematic teachers c. mathematics teacher b. mathematics teachers d. mathematics teachers (C) 2、All the ______ in the hospital got a rise last month. a. women doctors c. woman doctors b. women doctor d. woman doctor (a) 3、---Are there any ________ on the farm? ---Yes, there are some. A. horse B. duck C. chicken D. sheep (D) 4、--- They are thirsty. Will you please give them ______ ? --- Certainly. A. some bottles of waters B. some bottles of water C. some bottle of water D. some bottle of waters (B) 5、Mike hurt one of his ______ in the accident yesterday. A. tooth B. feet C. hand D. ear (B) 6、There is some _______ on the plate. A. cakes B. meat C. potato D. pears (B) 7、The little baby has two _______ already. A. tooth B. tooths C. teeth D. teeths (C) 8、We need some more____. Can you go and get some, please? A. potato B. potatos C. potatoes D. potatoe (C) 9、Please remember to give the horse some tree___. | 
