A biack bag with a pencil case and some books in Room 401 on

Some books and a pencil case -------in the bag.A.are B.is C. there （ ） a pencil case and some books on the desk.（）中应该填is Is () a pencil-case in the bag? there is a pencil-case and some There () a pencil and some pens in the pencil case A.are B.i Some books and a pencil-box______in the bag. A.are B.is C.ha Is this your ____?There are some books and a pencil case. There____two pens and a pencil in the pencil--case There are some books,a pen and a pencil on the table,_______ look there ___ a pencil and some books on the desk A.is B.ar There is a box a pencil and some books on the table (同意句转换) There _____a notebook,a pencil and some books on the desk