Choose the correct answer

1._____ do his powers come from?
1. Where
2. Who
3. Why
2._____ one of you coming to my house later?
1. Who
2. Is
3. Whose
3. _____ set a world record in competition?
1. When
2. Who
3. Why
4. Let me know ... you hear from your mother.
1. Who
2. Which
3. What
5.____ do you finish that task so quickly?
1. How
2. Whom
3. What
6.____ is my briefcase?
1. Where
2. When
3. How
7.____ dog is that?
1. Who
2. Why
3. Whose
8._____ team beat Germany to win the championship?
1. Which
2. Whose
3. Who
9. _____ could you do this to me?
1. How
2. Whose
3. Who
10. _____ are you leaving?
1. Who
2. Why
3. Where