There are more than 740 million Chinese _______ to second-hand smoking in public places now.
A.are being exposed | B.exposed |
C.to expose | D.having been exposed |
We agreed to accept ________ they thought was the best professor in the college.
A.whatever | B.whomever | C.whichever | D.whoever |
I don’t know who invented ________ telephone. It’s really ________ most useful invention.
A.the; a | B./; a | C.a; the | D./; the |
In hot weather, an old tyre can break again easily it’s mended.
A.when | B.where | C.which | D.that |
____ he grows up can he understand your intentions.
A.Unless | B.Once | C.Only when | D.Ever since |
She is not very ____ about the idea of going camping. I think she will stay at home reading.
A.optimistic | B.enthusiastic | C.confused | D.curious |