14.Do you have any ______ on the cause of the crashed Air France Flight?
A.account B.comment C.summary D.belief
13.______ life is not easy for any of us, we should face it confidently.
A.Not that B.Now that C.What if D.As if
12.-Haven't I made ______ clear that you mustn’t take the magazines out of the library?
-Sorry, I forgot.
A.this B.one C.that D.it
11.-How about putting some sugar in the soup?
-____ It may taste better.
A.No way. B.Why not? C.Why so? D.No wonder.
10.Although made in Ming Dynasty, this vase is well _____.
A.discovered B.observed C.delivered D.preserved
9.While we are developing agriculture and industry, we must prevent the earth ______.
A.from polluting B.polluted
C.polluting D.being polluted
8.-Mommy, would you buy me an MP3 if I behave well in the following week?
-I_______, I promise.
A.could B.should C.will D.do
7._____ all the inventors have in common is _____ they are creative.
A.What; what B.What; that C.That; that D.That; what
6.The patient, _____ how serious his illness was, still refused an operation.
A.not realize B.not to realise
C.not realising D.not being realised
5.China mainland has confirmed about 60 cases of HI N1 flu, most of _____ returned from abroad.
A.whom B.it C.them D.that