1, where

2, who

3, how often

4, how long

5, where

6 ,what time

7,  

8, how

1, what do they study every...?

2, how does nam go ....?

3, where does the teacher explain the ...?

4, how does your brother do the ...?

5, how often does your daughter wish her hair?

6, what does john love eating?

7, how does nga sing a song?

8, what time  does your father always get up?

9, why does harry not go to ...?

10, who cook rice in....?

ex2/

1, solar panels will be stalled on....

2, will cracks be checked on the... days by the plumber?

4, the old thermal power plant will be destroyed at the... 

5, biogas will being used for cooking....

6, fossil fuels won't be burned for energy...

8, electricity will being provided this ...

9, the tax will be increased on petrol....

10, 100-wall light bulbs shall be replaced ordinary with ...

8, 

1. Where 2.Who  3. How often 4. How long 5. Where 6. What time 7. When 8. When