Charles Babbage is generally considered _____ the first computer.A. to invent B.
题型：同步题难度：来源：
| Charles Babbage is generally considered _____ the first computer. |
A. to invent
B. inventing
C. to have invented
D. having invented |
答案
举一反三
— 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 |
| AIDS is said _____ the biggest health to people in that area over the past few years. |
| [ ] |
A. that is
B. to be
C. that it has been
D. to have been |
| She seemed _____ the book before, but she said she had never. |
A. to read
B. to have read
C. to be reading
D. reading |
— I can"t recite the poem.
— Well, you are supposed _____ it many times yesterday evening. |
| [ ] |
A. to read
B. reading
C. to have read
D. having read |
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