this car is very expensive. It is the most expensive __ all

this car is very expensive.(改为感叹句) "What is the most expensive way ( ""He takes a car "What is the most expensive way ( )?""He takes a car the price of the car is very expensive This book is the most expensive of these books. this book is the most expensive. 是什么意思? ~_~ This car is a bit______________(expensive) This sweater is very beautful ,but it′s { }expensive. this watch ______(cost) much money.it is very expensive which is the cheapest/the most expensive? The car is expensive(改为同义句) This is a very expensive machine