—Thanks for your help, but can you do me one favor, please?
— ___________, sir. What’s it then?
A.Just a minute | B.It’s very nice of you. |
C.That’s all right | D.At your service |
In Britain,sales of cigarettes have been reduced __________ 30% in the past ten years.
A.for | B.to | C.from | D.by |
Whenever you are to walk on the ice,__________ that it is solid and safe enough.
A.examine | B.check | C.try | D.make |
It is a __________ that you missed such a wonderful concert.
A.shame | B.pity | C.regret | D.mistake |
Because of the snow,many parts of the countryside are only _________ by helicopter.
A.available | B.appropriate | C.accessible | D.achievable |
I tried hard to get some information about the new technology out of his mouth,but he remained __________.
A.quiet | B.secret | C.silent | D.calm |