He is said _____ a new machine recently, but I don"t know when he will make it.A
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He is said _____ a new machine recently, but I don"t know when he will make it. |
A. to design B. to be designed C. to have designed D. to have been designing |
答案
举一反三
He is considered _____ the work ahead of time. |
[ ] |
A. finishing B. to finish C. having finished D. to have finished |
Shanghai is the first city in the world ____ a high-speed maglev train, from the city to Pudong Airport. |
A. to build B. to be built C. to have built D. to have been built |
Charles Babbage is generally considered _____ the first computer. |
A. to invent B. inventing C. to have invented D. having invented |
— We don"t know who stole the book. What"s you opinion? — Jack is considered _____ it. |
A. having done B. to have done C. doing D. to do |
I don"t know whether you happen ____ that he has been away for two months. |
[ ] |
A. to be heard B. to be hearing C. to hear D. to have heard |
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