摘要： By this time tomorrow we this machine. A. have repaired B. shall have repaired C. will repair D. are going to repair [解析]选B.考查时态.句意:到明天这个时候我们将已经修好了这台机器.由by时间状语可知应用完成时.又由tomorrow可知应用将来时.
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( ) 6. By this time tomorrow we _________ this machine.
A. have repaired B. shall have repaired
C. will repair D. are going to repair
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