Answers:
1) How much does this watch cost?/How much is this watch?
2) How much does your car cost?/How much is your car?
3) How much does his coat cost?/How much is his coat?
4) How much does her hat cost?/How much is her hat?
5) How much do these beautiful scarves cost?/How much are these beautiful scarves?
6) What is the price of these oranges?
7) What is the price of the pork?
8) What is the price of these dresses?
9) What is the price of the petrol?
10) What is the price of a cup of coffee?
Chúc học tốt!!!