根据单词首字母以及中文提示填上正确的单词。（每小题1分，共5分）
Welcome to my bedroom. In my b__________（卧室）you can see a chair, a d____（课桌）and a b_______（床）. Look, there is a pencil-case, a c____________（电脑）and a lamp on the desk. In the pencil-case there are three __________（钢笔）.