摘要： The time has come we can make extensive use of nuclear energy. A. when B. which C. since D. while
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The time has come ______ we can make extensive use of nuclear energy．
|
A．when |
B．which |
C．since |
D．while |
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The time has come ______ we can make extensive use of nuclear energy．
A．when B．which C．since D．while
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