who do you think ____the light Edison is cinsidered ___ it.A to invent ;to have inventedB to have invented ;inventing C.invented to ;to have inventedD.invented ;having invented我看到的答案是选得C

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who do you think ____the light Edison is cinsidered ___ it.A to invent ;to have inventedB to have invented ;inventing C.invented to ;to have inventedD.invented ;having invented我看到的答案是选得C
who do you think ____the light Edison is cinsidered ___ it.A to invent ;to have invented
B to have invented ;inventing
C.invented to ;to have invented
D.invented ;having invented
我看到的答案是选得C

who do you think ____the light Edison is cinsidered ___ it.A to invent ;to have inventedB to have invented ;inventing C.invented to ;to have inventedD.invented ;having invented我看到的答案是选得C
选D.do you think作定语成分,修饰who.句子主干即为who____the light.故选invented.be considered doing 是固定用法,由于是完成时,所以用having invented.

d

B

who do you think ____the light ? Edison is cinsidered _B__ it.
A to invent ;to have invented
B to have invented ;inventing
C. invented to ;to have invented
D. invented ;having invented

D 第一句这么看 Do you think (that)who invented the light?think后面是省略that的宾语从句,所以要选一个动词,而invented跟the light名词中间是不需要加to的。第二句是固定用法invent+doing,所以选D