问题 选择题 选出每组单词中不同类的一项。( ) 1. A. post office ( ) 2. A. cousin ( ) 3. A. Christmas light ( ) 4. A. where ( ) 5. A. plane B. family B. brother B. yellow light B. then B. turn left C. bookstore C. mother C. red light C. when C. go straight 答案 答案：B
