Lesson 6 It’s on the fifth floor习题一、写出下列基数词的序数词1. one ______2. two ______3. three ______4. five _______5. twelve _____二、单项选择( ) 1. Our classroom is ____ the second floor。 A. in B. on C. at( ) 2. The teacher’s office is on the ____ floor。A. five B. fiveth C. f...
