题目内容
It will take ______ years to make robots ____ the most unpleasant things.
A.hundred, do B.hundreds of, to do
C.two hundreds, to do D.hundreds of, do
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题目内容
It will take ______ years to make robots ____ the most unpleasant things.
A.hundred, do B.hundreds of, to do
C.two hundreds, to do D.hundreds of, do