Questions: Different types — Exercise 2
Select the appropriate forms to finish the questions below.
1I am not sure where ______.
2What time ______ tomorrow?
3She asked me if ______.
4Who ______ the window last night?
5You have met him before, ______?
6I wonder how long ______.
7Where ______ your keys?
8Can you explain why ______ so upset?
9How many people ______ to the party?
10He wants to know what ______.