16. I can't believe that a man ___________would do something like that.
A.of intelligence B. intelligent
C.of intelligent D. intelligence
17. The Yellow River is ______the Pearl River.
A. twice long as B. twice as long as
C. as twice longer as D. as long twice as
18-----What about decision _________was made at the meeting yesterday?
----Er， I don't know.
A. who B. where C. when D. which
