____ (晚上好),Helen.____ it,_____2____.(请拼写)It's____ and ______3___.(黑白相间)What's his ____ ?(姓)This is Mr. Green's ____ .(身份证)____ ,(请问)Lucy.Is this your pencil?Is his book in the____ (失物招领处)Bob found(发现) ____ .(一串钥匙)