our classroom is on the （ ） floor.括号里该填什么?A：one B：threeC：last D：first

Our classroom is on the_____(nine)floor Our classroom is on the second floor.Theirs is d____. Our classroom is on the _________(two)floor. Our classroom is on ( )second floor.括号里填介词 It's on duty to keep our classroom clean 改为同义句_______ ________ our classroom clean is our duty. our classroom is[ on the first floor]【对括号部分提问】 ___ ___ ___ your classroom on? our classroom is their classroomour classroom ______ _________is their classroom There is a platform in front of our classroom.Two blackboards is on the wall. Our classroom is clean同义句our classroom （） （） 根据首字母填写下列单词：Our classroom is on the,s____floor. Thebuliding with a clock on it is our classroom building .为什么用with? 用所给词的恰当形式填空 our classroom is on the___(one)floor. our classroom is on ____________________（three） floor.五年级的金试卷英语 单词的适当形式填空：Our classroom is on the -------(three) floor. there is a （c ）on our teacher's desk ithere is a （c ）on our teacher's desk in our classroom Our classroom is on the second floor.（对划线部分提问） __Our classroom is on the second floor.（对划线部分提问）________ ________ _______classroom? our classroom is very big and bright Our classroom is very beautiful and t_____