-Have you considered _______ the experiment in your spare time?

-No, not _______．

---Who was in the building when the fire broke out?

---_______．

-What a long walk it was!I was completely tired out．

-You ________ a taxi．

-Do you like the red hat, the blue hat or the yellow one?

-________．I really don’t care．

-I’m afraid I must be off now．

-________．

------ I missed the bus. What a pity !

------______. There will be another one in five minutes.

--- Has Mary come back yet?

--- Yes. She has got many books from her elder schoolmates, and the number  ___ 1000.

---- Jack, will you come with me to the cinema this Sunday?

----____, Bob, but I promised my Mum I would do my homework at home.

---“Where is it?”

---“Where is _____? I don't know what do you mean?”

---- Hello. Is that Mr. White or Mr. Jack speaking?

---- Sorry______, .