精选优质文档-倾情为你奉上新PEP四年级英语下册第一单元练习题一、选择 ( )1、Where is the office?Its on the first floor. A. teachers B. teachers C. teacher ( )2. Our classroom is on the floor.A. one B. two C. second ( )3. How many are there in your bag?A. book B. pen C. pencils( )4. The desks green.A. is B. am C. are( )5. I have art room.A. a B. an C. /( )6. There are forty-five in my class.A. students B students C.