-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______, .