Recently some hospitals in China have adopted ______ they call a robot-doctor ______ will be used t

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Recently some hospitals in China have adopted ______ they call a robot-doctor, ______ will be used

to operate on patients with more accuracy.

A.what; thatB.that; whichC.what; whichD.which; what

热搜:在公制与英制换算中,1in等于()。