she works hard _______ English and she does well _______ it.A at, in B in, at C with, in D in , in
--Is this a backpack? --________.
--What’s that? --________ A Watch B.A Watch C.Is a match D.Yes,it is
--Is this your pen? --________.
--________? --P—E—N.
--What color is it? --________.