Excuse me, sir. Could you tell me _______

It’s a pity that you didn’t come to my birthdayparty last night–I’m terribly sorry I ________ for an importantlecture

What were you doing this time yesterday —I _______ some cleaning at home.

how depressed! I am bound to lose to him in tomorrow’scompetition—Cheer up! In fact, he is___________thanyou!

Did Peter come to school last week— No, I didn’t know ___________.