－Mary, how did your Math test go?
－I had thought I _________, but in fact I came in the top 10% in my class.
| A．should have failed | B．couldn’t have failed |
C．might have failed | D．shouldn’t have failed |
——Has James finished his report on his Enquiry Learning yet？
——I’m not sure．She _________ on it last week．
| A．was working | B．has worked |
| C．worked | D．had worked |
None of the underwater workers has been harmed by the great fish. ______，most fish were so friendly that they played with the instruments.
| A．Instead | B．Even though |
| C．However | D．Though |
Alibaba has become China’s largest online commercial company，______ a profit of 1.47 billion yuan in 2010.
| A．earns | B．earning |
| C．earned | D．to have earned |
——I hear that there was a terrible crash in the subway in Shanghai the other day.
——Yes，_____ news came as _____ shock to all of us.
| A．the;the | B．a;/ |
| C．the;a | D．/;a |
Nowadays，more film stars ______ to be difficult to work with．
| A．say | B．have said |
| C．are said | D．were said |