---I haven’t seen Mr．White for weeks．

---What ________ to him?

---A man answered the phone．I suppose it was her husband．

---It ________ her husband．He has been dead for ages．

---Did Peter fix the computer himself?

---He ________, because he doesn't know much about computers.

---I’ve heard that Jack ________ from his trip to Shanghai．

---What about visiting him this evening?

---When ________ for Shanghai?

---On Saturday．

---Look ! It ________ be a UFO .

---No, it ________ be a UFO. Obviously it is a plane.

---Don't you want the nice cheap tie?

---No. I don't want ________. Please show me ________.

---Mum, why do you always put away my knife?

---I do that to_______.

---Why did you come to the concert to hear the pop singers you didn't like?

---I shouldn't like ________ , but my boy friend insisted.