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Ifoundpossibletoanswerallthequestionswithinthegiventime.A.thatB.itC.thisD.what

题目详情
I found ______ possible to answer all the questions within the given time.
  
A.that B.it C.this D.what
▼优质解答
答案和解析
B

it作found的形式宾语,真正的宾语是to answer all the questions within the given time.,possible作it的补语。