---Mary hasn't written to us for a long time.---What do you suppose __ to her?
I was out of town at the time, so I don’t know exactly how it _______.
So sudden ________ that the enemy had no time to escape.
Occasions are quite rare ____ I have the time to spend a day with my kids.
_____ was most important to her, she told me, was her family.
He didn’t make ______clear when and where the meeting would be held?