a：what is in the --------- of your desk b：a pencil case

a：what is in the --------- of your desk b：a pencil case What is on the desk?-------a pencil case.A.it is B.this is C ____ your pencil in the pencil case?a.Is b.Are c.Do d.Does 悬赏最多50.Is that your pencil () the lost and found case?A.in B Is () a pencil-case in the bag? 排序,A.Is it in your desk?B.Were they in your pencil box?C.Loo what's in the your pencil case? Englishi问题No,（） pencil is in the pencil case.A I B my C his This is ( ) pencil-case.( ) is in my bag.A.his;My B.my;Your This is a new pen.( ) it in your pencil case Which is your pencil case The one _____a picture of cats A.o Some books and a pencil case -------in the bag.A.are B.is C.