A:how much cost they are
B:how much do they cost
C:how much they cost
D:how much are they cost
选不同。
①____A.park B.hotel C.lamp
②____A.Saturday B.morning C.Sunday
③____A.happy B.windy C.sunny
④____A.dinosaur B.elephant C.magazine
⑤____A.metre B.house C.centimetre