Which car should I choose?
How long will the meeting last?
How much does the computer cost?
Where are the books for the class?
Are you coming to the party tomorrow?
Does he enjoy hiking?
When does he get off work?
Why have they waited so long to react?
Will they attend the conference next month?
I wonder if you are coming to the party tomorrow.
Do you happen to know how much the computer costs?
Can you tell me where the books for the class are?
I don't know if he enjoys hiking.
I have no idea how long the meeting will last.
Do you know why they have waited so long to react?
I'm not sure when he gets off work.
I'm not sure which care I should choose.
I'm not sure if they will attend the conference next month.