I'm not sure where Kansas is located?
Where is Kansas located?
I'm not sure how long the meeting will last.
How long will the meeting last?
Would you mind telling me when the package was delivered?
When was the package delivered?
Do you know if your son made the payment on time?
Did your son make the payment on time?
Could you tell me how many people work in your company?
How many people work in your company?
Can you tell me whether your zip code finishes in 45?
Does your zip code finish in 45?
I wonder what you think about it.
What do you think about it?
I'd like to know if Mary will join us.
Will Mary join us?
Do you have any idea how much it cost?
How much does it cost?
I was wondering if Joe could help me.
Can Joe help me?