2. __________ would you like to drink?
    How   Why   Which   What

3. __________ are you angry?
    Why   Where   What   Which

4. __________ people are on this bus?
    Why   How many   When   Where

5. __________ does this machine work?
    How many   How   Which   Who  

6. __________ does the concert finish?
    Why   Where   What time   Which

7. __________ is the capital of Argentina?
    What   How   Which   How much

8. __________ does this mask cost?
    How   Why   How many   How much

9. __________ does your brother live with?
    How   Who   Where   Why

10. __________ of these flights is cheapest?
    How much   What   Which   How