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            • 1． Can't you see your problem ____?Have some patience, please.

               [     ]


              A. is being discussed
              B. was being discussed
              C. is discussed
              D. has been discussed
              难度：中等
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            • 2． — Hi, Terry, can I use your computer for a while this afternoon? 
              — Sorry. _____.
              [     ]

              A. It's repaired
              B. It has been repaired
              C. It's being repaired
              D. It had been repaired
              难度：中等
              解析 收藏 试题篮
            • 3． — Do you know what Lily is doing?
              — She ______ in the office.

              [     ]


              A. may be interviewed
              B. can be interviewed
              C. can being interviewed
              D. may be being interviewed
              难度：中等
              解析 收藏 试题篮
            • 4． — Can I help you, madam?
              — No, thank you. I _____ now.
              [     ]

              A. have been served
              B. have served
              C. am being served
              D. am serving
              难度：中等
              解析 收藏 试题篮
            • 5． Rainforests _____ and burned at such a speed that they will disappear from the earth in the near future.     
              [     ]

              A. cut    
              B. are cut  
              C. are being cut  
              D. have been cut
              难度：中等
              解析 收藏 试题篮
            • 6． -Have you handed in your school-work yet?
              -Yes, I have. I guess it           now.
              [     ]

              A．has graded
              B．is graded
              C．is being graded
              D．is grading
              难度：中等
              解析 收藏 试题篮
            • 7． It is believed that a new kind of drug ______ by the scientists and they are hopeful that they
              will succeed in a couple of months.     
              [     ]

              A. has been developed  
              B. is being developed  
              C. is developing  
              D. has developed
              难度：中等
              解析 收藏 试题篮
            • 8． -Have you got your test result?     
              -Not yet. The papers ______.     
              [     ]

              A. are correcting  
              B. are corrected  
              C. have been corrected
              D. are being corrected
              难度：中等
              解析 收藏 试题篮
            • 9． With more forests being destroyed, huge quantities of good earth  ____ each year. 
              [     ]

              A. is washing away            
              B. is being washed away
              C. are washing away            
              D. are being washed away

            难度：中等
            解析 收藏 试题篮
          • 10．
            It is reported that many a new house _____ at present in the disaster area.

            A. are being built
            B. were being built
            C. was being built
            D. is being built
            难度：中等
            解析 收藏 试题篮
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