11.Society does not in any age prevent a man from _________.

11.Society does not in any age prevent a man from _________.
　　A.what he can be
　　B.being that he can be
　　C.that he can be
　　D.being what he can be
12.She believes in the principle___to love is to give,not to take.
　　A.how
　　B.which
　　C.that
　　D.what
13._________ the blanket kicked away by the girl,her mother tucked it tightly under her.
　　A.On the time
　　B.On seeing
　　C.At seeing
　　D.At time
14.Energy can never be obtained from nothing,nor_______
　　A.can it ever be destroyed
　　B.can it be ever destroyed
　　C.it can ever be destroyed
　　D.it can be ever destroyed
15.___from the European continent,England had been in close contact with the outside world.
　　A.Because cutting off
　　B.While to be cut off
　　C.Although cut itself off
　　D.Even if cut off
16.It's high time you ___us the truth.
　　A.tell
　　B.have told
　　C.told
　　D.had told
17.Your picture is good _____some of the colours.
　　A.besides
　　B.in addition to
　　C.except
　　D.except for
18.___editor and ___publisher of this magazine is a learned man from Britain.
　　A.An,a
　　B.The,a
　　C.The,the
　　D.The,/
19.The English test has been put off____ next Friday.
　　A.to
　　B.in
　　C.on
　　D.till
20.We can do it in a great______ of ways.
　　A.vary
　　B.various
　　C.variety
　　D.virtue