--- Aren't you going to buy that house? It is modern, comfortable and above all, in a quiet neighbourhood.

--- Yes, it is. But I'm afraid we can't ________ such an expensive house.

---Did you pass the mid-term exam?

---No, I'm afraid I'll have a hard time, ________ is often the case.

---I’m not good at dancing, you know．

---________ It’s just for fun．

---What makes him so happy?

---_______．

---Excuse me, are you travelling by train or meeting someone?

---We're ________ the three o'clock train to Chicago.

---David has made great progress recently．

---_______．

---Can we take the magazines out of the reading room?

---No, none of you _______ them out of the reading-room．

---Are you satisfied with his work?

---Well, not in the least. I even wonder who could have done a ______.

---Why did you come late this morning?

---We were ______ for half an hour in the traffic jam.