问题 选择题 选出每组单词中不同类的一项。( ) 1. A. floor ( ) 2. A. wash ( ) 3. A. clothes ( ) 4. A. do ( ) 5. A. food B. window B. trash B. dishes B. flies B. cake C. empty C. sweep C. flowers C. watches C. hamburgerD. bed D. set D. sheep D. looks D. cook 答案 答案：A
