1.The followings are all correct responses to “ Do you mind my smoking here?” EXCEPT
A. No, do it please.
B. No, of course not.
C. I’m sorry.
D. Yes, go ahead.
2.The reason why he has been such a success is ___ he never gives up.
A.what
B. that
C.because
D. how
3.One is not guilty until he ___.
A. has proved
B. has been proved
C. is proved
D. will be proved
4.Paper produced every year is four times ___ the weight of the world’s production of vehicles.
A. /
B. that of
C. which
D. of
5.I tried to relax because I knew I would use up my oxygen sooner, ___ .
A. the more excited I got
B. I got excited more
C. and more I got excited
D. and I got more excited