1. Are there forty classrooms in Phong's school?
2. Does your father get to work by bike?
3. What is a price of a box of chocolates?
4. How much does a bowl of noodles cost?
5. How heavy is that building?
6. How much do a cake and an orange cost?
7. How old are you?
8. How many cups of butter do you want?
9. My father goes to work on foot.
10. How much does that hat cost?
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@Thienmunz24