(根据汉语提示，完成后面短文)

这是我的房间。数学书在梳妆台上。棒球在椅子底下。我的背包在椅子底下棒球的旁边。电脑在书桌上。激光唱片在抽屉里。录像带在电脑的后面。

This is my room. The math book is (1) . The baseball is (2) . My backpack is beside the baseball under the chair. The computer is (3) . The CDs are (4) . The video cassette is (5) .