1.Where is your room? It's on the 15th floor

2. How many floor does your house have ? It has three floors

3. Does your house have a small yard? Yes, it has a small yard

4. How many room does it have ? It has four bedrooms

1.people will live on another planet in the future

2.we will travel by a super plane next 20 years

3.if you use reusable bags you'll save the environment

4.you should turn off the computers whenever going out of the house

5.he was riding a bicycle at the age of 8

6.mai won't be able cook until she is 16 years old.