do you know who invented the computer
-Doyouknowwhoinventedthecomputer?-No.Ionlyknowit______in1971.()A.inventsB.inventedC.i...
-Do you know who invented the computer?-No.I only know it ______ in 1971.( )
A. invents
B. invented
C. is invented
D. was invented 展开
A. invents
B. invented
C. is invented
D. was invented 展开
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