A:Mum,______ ______my pen?
where is
B:Let me see .Is it____the table?
on
A:No,______ ______no pen on it.
there is
B:Is it _____your bag?
in
A:No,it _______
isn't
B:Is it ________your bed?
on
A:No,there is nothing(什么也没有)under my bed.
B:Look It is _______your right hand.
on
A:Wow!______,Mun
thanks