英语 为什么这两题一个看主动关系,一个看动宾关系呢(希望把详细的解题过程写下来)?

1.I have foundsome articles_____the harmful effects of drinking.
A.being concerned B.concerned C.to concern D.concerning

2.At the international conference,the famous scientist gave an excellent report ______on this recent experiment.
A.basing B.based C.to be based D.to base

第1个回答  2007-12-20
find + to do
我觉得第二句report后面省略which,用based
第2个回答  2007-12-20
d b
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