Sắp xếp các từ đã cho thành câu hoàn chỉnh

30.The girls/ play/ tennis/ the moment
29. we/ not visit / our grandparents / 2 months
28. she/ hope / that / mary / come/ party / tonight 
27.What is the price of this hat?
a. how much does this hat cots ?
c. what are the price of this hat?
d. how much does this hat cost?