4.Since he left our school last August,Mr.Newman ______ on a photography exhibition.( )
A. | worked | B. | is working | ||
C. | had worked | D. | has been working |
3.Scientists say it may be five years ______ it is possible to test this mdelcine on human patients.( )
A. | since | B. | until | C. | before | D. | when |
2.一 The girl looks so beautiful.Is she a model or a film star?
-______ She's a nurse.( )
-______ She's a nurse.( )
A. | You bet | B. | Forget about it | ||
C. | Far from it | D. | Whatever you say |
1._______ well prepared a gymnast is,he still needs a lot of luck in performing.( )
A. | Whatever | B. | Although | C. | No matter | D. | However |
20.It will be some time we know the full results.( )
A. | if | B. | since | C. | when | D. | before |
19.-Unfortunately,I won't have time to visit the World Expo 2010 _____ I'm in Shanghai.
-What a great pity!( )
-What a great pity!( )
A. | until | B. | since | C. | while | D. | unless |
18.The baby is due in May. the new house should be finished.( )
A. | by then | B. | by which | C. | by when | D. | since when |
16.-What do you think of the American singer Lady Gaga?
-Too crazy,but if she ___ come to China to hold concerts,I would buy tickets for her live show.( )
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-Too crazy,but if she ___ come to China to hold concerts,I would buy tickets for her live show.( )
A. | would | B. | could | C. | should | D. | might |