When I met him the other day,it was the first time we __________ each other since we were at school.
He is talking so much about America as if he _____ there.
She made the demand that the journalists _____ at once ______ Iraq.
The teacher demanded that the exam _____ before eleven.
You promised your friend a letter; you ought to ______ days ago.
Tell me how you work out the answer, _______ you?