Who are those people? I don't know _________.
I don't know who those people are.
What time are you leaving? I need to ask my roommates _________
I need to ask my roommates what time we are leaving.
Do you understand what Mom and I said? No, I'm sorry but _______________ is still not clear.
What you said is still not clear.
Where did the car keys go? I don't have any idea _________.
I don't have any idea where the car keys went.
Whose phone numbers are those? I'm not sure _________.
I'm not sure whose phone numbers those are.
When does the party start? I'll check __________.
I'll check when the party starts.
How old is your friend Paul? I don't know ____________.
I don't know how old he is.
Who left the stove on? I wasn't the one ____________.
I wasn't the one who left the stove on.
What are you doing in class. It's not clear yet ____________.
It's not clear yet what we are doing in class.
Why did Anna break off her engagement with Thomas? ___________ is a mystery.
Why Anna broke off her engagement with Thomas is a mystery.
Where does he live? I'm not sure ___________.
I'm not sure where he lives.
What happened? I don't know _________.
I don't know what happened.