It was such a difficult examination that a lot of students were unable to finish it on time.—That’s the case. It’s hard to accept the fact that over 90% of my classmates ________.

82nd Oscars Academy Awards, ________ the best in filmfor 2009, was held on Sunday, March 7, 2010

To make your DIY work perfect , you’d better not start you get all the tools ready .

This is______ruler ；_____ruler is black.

e decided to fulfill thetask in time, difficulties wemay meet with.