优优班--学霸训练营 > 知识点挑题
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            • 1. _____in the queue for half an hour,the old man suddenly realized he had left the money in the car.(  )
              A.Waiting
              B.Having waited
              C.To wait
              D.To have waited
            • 2. Over the years,while focusing on its own development,China _____ aid to the best of its ability to other developing countries with various difficulties.(  )
              A.provides
              B.is providing
              C.has been providing
              D.will provide
            • 3. _____in the queue for half an hour,the old man suddenly realized he had left the money in the car.(  )
              A.Waiting
              B.Having waited
              C.To wait
              D.To have waited
            • 4. --I’m sure Andrew will win the first prize in the final.

                  --I think so. He __________ for it for months.

               

              A.is preparing
              B.was preparing
              C.had been preparing
              D.has been preparing
            • 5. -The water supply has been off for days.
              -Yes.The workers ________one of the main pipes.(  )
              A.had repaired
              B.have repaired
              C.repaired
              D.have been repairing
            • 6. Charging drivers more money to park will probably work because the traffic jams ______ many cities recently.(  )
              A.have been troubling
              B.troubled
              C.had troubled
              D.was troubling
            • 7. Apple Inc,__________ the way we communicate with its smartphones,released the Apple Watch on March 9,2015in San Francisco,US.(  )
              A.changing
              B.to change
              C.changed
              D.having changed
            • 8. -Are you busy with the coming ceremony?
              -Yes.We ________ for it like this for several days.(  )
              A.had prepared
              B.have been preparing
              C.prepare
              D.prepared
            • 9. — You look great!
              — I ______ out. Check out my muscles!
              A.will work                                                                                       
              B.was working                 
              C.have been working                                                                        
              D.had been working
            • 10. —Have a break,Amy.You _____________ playing the piano all the morning.
                 —OK,Mom.I will stop after this piece.
              A. are practicing  B.have practiced C.have been practicing  D practiced
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