We shall be writing our tests at 10 o'clock.
Shall we be writing our tests at 10 o'clock?
Shall we be writing our tests at 10 or 11 o'clock?
We shall be writing our tests at 10 o'clock, shan't we?
Who will be writing tests at 10 o'clock?
When shall we be writing our tests?
What shall we be writing at 10 o'clock?
What shall we be doing at 10 o'clock?
Why shall we be writing tests at 10 o'clock?