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            • 1． —Have you chosen a topic for your speech yet?
              —No. I ____ a lot about it,but I haven't decided.
              A．will think                        
              B．have been thinking
              C．had thought       
              D．was thinking
              难度：中等
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            • 2． ---Now the weight. Only 105. You’d better put on a few pounds.
                 ---Well, actually, I ________ like a horse.
              A．ate   
              B．was eating     
              C．have been eating   
              D．will eat
              难度：中等
              解析 收藏 试题篮
            • 3． Zhang Ning is taking notes of the grammatical rules in class, and she _____ English for a year.
                 A. is studying        B. will study     C. studies    D. has been studying
              难度：中等
              解析 收藏 试题篮
            • 4． 25.For some time the expert __________ people of the health risks caused by         passive smoking. He says he won't stop until all the smokers around him decide to quit smoking.
                  A. is warned    B. is warning   C. has been warning D. has been warned
              难度：中等
              解析 收藏 试题篮
            • 5． For some time the expert __________ people of the health risks caused by         passive smoking. He says he won't stop until all the smokers around him decide to quit smoking.
                  A. is warned    B. is warning   C. has been warning D. has been warned
              难度：中等
              解析 收藏 试题篮
            • 6． --HI, Tom. It’s a long time since we met last time. Is everything going well?
              --Oh, I _____ for the final examination for weeks and I will be free next week.
              --Good luck!
              A．review       
              B．reviewed      
              C．am reviewing   
              D．have been reviewing
              难度：中等
              解析 收藏 试题篮
            • 7． ----I have got a headache.
              ---- No wonder. You ________ in front of that computer too long.
              A．work    
              B．are working    
              C．worked   
              D．have been working
              难度：中等
              解析 收藏 试题篮
            • 8． —I’m sure Andrew will win the first prize in the final.
              —I think so. He _________ for it for months.
              A．was preparing                                          
              B．is preparing
              C．has been preparing                                 
              D．had been preparing
              难度：中等
              解析 收藏 试题篮
            • 9．

              We _______ on this project for four hours. Let’s have a rest.

                  A. are working      B. have been working

                  C. worked          D. had worked

               

              难度：难
              解析 收藏 试题篮
            • 10．      –Why, David, you look so tired!
                    –Well, I ______ a report for the whole day and I must finish it tomorrow.
              A．was writing                               
              B．will be writing   
              C．have written                    
              D．have been writing
              难度：中等
              解析 收藏 试题篮
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