_____ three pens on the desks.(填什么)

There is a book and three pens on the table,_____? _____(They)pens are on the table. There are twenty desks and chairs _____ the classroom.(填什么） the pens are just on sale ( )three yuan what are on the table?There are three pens on the table 这句话对 The computer room is on _____(three)fioor. 这个怎样填 There are three pens on the desk,and the red( )is( ) write with write in 有什么区别问题补充：I have three pens _____,but Ic There are three pens on the desk.One is Mary's,are Mike’s.A) There ______ a book, two pens and three pencils on the desk. Of the two pens,which is_____? _____为什么填the better...Neither There are three pens in the box?