问题标题:
【themillionofcalculationsinvolved,hadtheybeendonebyhand,填空allpracticalvaluebythetimetheywerefinisheda:hadlostb:wouldlostc:wouldhavelostd:shouldhavelost】
问题描述:

themillionofcalculationsinvolved,hadtheybeendonebyhand,填空allpracticalvaluebythetimetheywerefinished

a:hadlost

b:wouldlost

c:wouldhavelost

d:shouldhavelost

程洪波回答:
  选C原句是过去式虚拟语气的倒装句可以写为themillionofcalculationsinvolved,iftheyhadbeendonebyhand,it(是不是少了it)wouldhavelostallpracticalvaluebythetimetheywerefinished从句为过...
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