利用课本上的Let‘s do 填空
(1)Put your Chinese book       your desk.
(2)Put your pencil box    your English book.
(3)Put your maths book         your schoolbag.
(4)Put your eraser          your pencil box.
(5)I have two              (语文书).
(6)I have four          （橡皮）and six       （糖）.
(7)I have twelve          （钥匙）