用所给词的适当形式填空

　　1.I want tow _______ (kilo)of meat. 2.The shop isn't open. It's______(close)now. 3.Those are______(potato).They are tasy. 4.I like______(collect) leaves. 5.Jim's parents are doctors,my parent are ____ (work). 6.My birtnday is on the _____(twenty) of February.