用is,are,it's或they 're填空,完成句子
【小题1】─How much _________ this hat?
─_________five dollars.
【小题2】─How much _________ that T-shirt?
─_________ ten dollars.
【小题3】─How much _________these blue socks?
─_________two dollars.
【小题4】─How much _________ those white trousers?
─_________ fifteen dollars.
【小题5】─How much _________Lily's schoolbag?
─_________ ten dollars.
【小题6】─How much _________ those sweaters?
─_________ thirteen dollars.