Personal computers_______ in 1976. It has changed the whole world .
A. have been invented B. are invented
C. were invented C. invented
科目：初中英語 來源：遼寧省中考真題 題型：單選題
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科目：初中英語 來源：同步題 題型：單選題
科目：初中英語 來源： 題型：
Personal computers_______ in 1976. It has changed the whole world .
A. have been invented B. are invented
C. were invented C. invented
科目：初中英語 來源： 題型：013
Personal computers ____ in 1976.It has changed the whole world.
A.have been invented B.are invented
C.were invented D.invented
科目：初中英語 來源： 題型：014
Personal computers ________ in 1976. It has changed the whole world.
[ ]
|
A ．have been invented |
B ．are invented |
|
C ．were invented |
D ．invented |
科目：初中英語 來源： 題型：
Personal computers in 1976．It has changed the whole world．
A． are invented B． invented
C． were invented D． have been invented
科目：初中英語 來源：浙江省金華地區2012屆九年級中考模擬英語試題 題型：016
Personal computers ________ in 1976．It has changed the whole world．
A．have been invented
B．was invented
C．were invented
D．are invented
科目：初中英語 來源：101網校同步練習 初二英語 外研版課標本 外研版課標本 題型：013
Personal computers ________ in 1976．It has changed the whole world．
A．have been invented
B．are invented
C．were invented
D．invented
科目：初中英語 來源：101網校同步練習 初三英語 外研版課標本 外研版課標本 題型：016
Personal computers ________ in 1976．It has changed the whole world．
A．have been invented
B．are invented
C．were invented
D．invented
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