Who
Last weekend, I saw my best friend.
(who)
Who did you see last weekend?
My dog's name was Fluffy.
(what)
What was your dog's name?
They left the office at 6:00.
(when)
When did they leave the office?
She bought toothpaste at Wal-Mart.
(where)
Where did she buy toothpaste?
I'm sorry, I didn't go shopping last night.
Did you go shopping last night?
My sister called me last night.
(who)
Who called you last night?
We ordered a pizza.
(what)
What did you eat?
What did you order?
The sun rose at 7:15 this morning.
(when)
When did the sun rise?
The meeting was in room 207.
(where)
Where was the meeting?
Yes, she spoke to her boss after the meeting.
Did she speak to her boss?
(who)
Who did you see? Who did you see last Christmas?
I cooked dinner and watched TV last night.
(what)
What did you do last night?
Thanksgiving was on November 27th last year.
(when)
When was Thanksgiving?
We went to a fancy new restaurant last night.
(where)
Where did you go last night?
I didn't find out what the problem was.
Did you find out what the problem was?
What was the problem?
Barack Obama was the 44th US President.
(who)
Who was the 44th president?
(what)
What was the best part of your weekend?
I got home late last night.
(when)
When did you get home last night?
I grew up in California.
(where)
Where did you grow up?
No, I didn't go to the concert because I went to a movie instead.
Ildiko was my teacher last quarter.
(who)
Who was your teacher last quarter?
Who was your teacher?
That loud noise was a car accident.
(what)
What was that loud noise?
I came to America two years ago.
(when)
When did you come to America?
I met my spouse in college.
(where)
Where did you meet your spouse?
I didn't do my homework because I fell asleep.
Why didn't you do your homework?