题目

－Excuse me, does Mr Smith’s son live here? －He _________ be here, but he has moved. A. has to B. used to C. tried to D. happened to 答案：B判断出每组中不同类的一项，并将序号填在括号里。( ) 1. A. holiday B. Sunday C. Saturday D. Monday( ) 2. A. farmer B. farm C. driver D. doctor( ) 3. A. flower B. grass C. tree D. family( ) 4. A. mirror B. behind C. under D. over( ) 5. A. third B. three C. seven D. thirteen