英语选择题had i known about this computer program,a huge amount of time and energy,A,wou...英语选择题had i known about this computer program,a huge amount of time and energy,A,would have been saved,B,had been saved .CWill be saved .D,was sa
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英语选择题had i known about this computer program,a huge amount of time and energy,A,wou...英语选择题had i known about this computer program,a huge amount of time and energy,A,would have been saved,B,had been saved .CWill be saved .D,was sa
英语选择题had i known about this computer program,a huge amount of time and energy,A,wou...
英语选择题had i known about this computer program,a huge amount of time and energy,A,would have been saved,B,had been saved .CWill be saved .D,was saved
英语选择题had i known about this computer program,a huge amount of time and energy,A,wou...英语选择题had i known about this computer program,a huge amount of time and energy,A,would have been saved,B,had been saved .CWill be saved .D,was sa
A 虚拟语气
时态搭配是:
if had done,would/should/might/could have done