15.There are ______ floors in the building and I live on the _______ floor.A.four; fourth B.fourth; fourth C.fourth; four D.four; four

There are the ______(twins bags There are ______ ,______and_______on the first floor 英语翻译There are many______conutries,______ ______ _____,America and Canada. 英语翻译There are many ______ ______ my brother and I. How many ______(child) are there?There is only one_________. there are no bones =there ______ _______ _____ bones They are walking,______ ______?( ) A.are they B.aren't they C.are there D.aren't there Today there are no more dinosaurs(同义句） Today there are_____dinosaurs ______ ______ 英语翻译There are many trees______ ______ ______ ______ of the street. 在我班上有六十几个学生 There are ______ ______ ______ students in my class. these are not ______(they) football.______(they) are over there are there或There are如：How many people ______ in Betty’s family?怎么弄? there are (31) days in january.对括号部分提问.______ _______days are there in january. -______ ______ciasses are there in your school?-There are twenty ciasses There are few people ______(sit)in the park There are three ______ (pair) of glasses on the table There are some students in the classroom,______反义疑问句 there ______ a variety of books用is还是are