问题标题：
急求几道高中英语题目,请大家帮帮忙啦~~~十分感谢有解释最好啦~~~拜托了!1.Allthetasks()aheadoftime,theydecidedtogoonholidayforaweek.A.hadbeenfinishedB.werefinishedC.havingbeenfinishedD.
问题描述：
急求几道高中英语题目,请大家帮帮忙啦~~~十分感谢
有解释最好啦~~~拜托了!
1.Allthetasks()aheadoftime,theydecidedtogoonholidayforaweek.
A.hadbeenfinishedB.werefinished
C.havingbeenfinishedD.beenfinished
2.Hisarticle()enoughsupportingideas.
A.islackingofB.lack
C.lacksofD.islackof
3.-Myunclewillbeheretoattendameetingtomorrow.
-Oh,Ithoughtthathe()today.
A.wascomingB.iscomingC.willcomeD.couldcome
4.Whenlast()valuable,thosebooksenjoyedgreatsuccess.
A.findingB.foundC.beingfoundD.tobefound
孟跃进回答：
1C所有这些任务提前被完成,所以必须用过去分词表被动的意思,havingbeenfinished要与后面的主语they一致.
2D固定搭配
3AIthoughtthathe()today.要与thought一致的话就只能选A.wascoming表示要来的意思
4Cthosebooks做主语,所以从句要用现在分词,而且书应该是被发现有价值的.
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