Is this your ____?There are some books and a pencil case.

Is this your ____?There are some books and a pencil case. there is a pencil-case and some there （ ） a pencil case and some books on the desk.（）中应该填is Some books and a pencil case -------in the bag.A.are B.is C. There () a pencil and some pens in the pencil case A.are B.i ____ your pencil in the pencil case?a.Is b.Are c.Do d.Does What's on your desk?There ____ some books.A.am B.is C.are 选哪 There are some books,a pen and a pencil on the table,_______ 是there are some books and a pencil on the table吗 -dad ,what __in the desk? -there are some books and a pencil 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)