I think it will be difficult ______ a robot _____ the same things as a person.
A.as; to do | B.for; to do |
C.for; doing | D.as; doing |
I think it will be difficult ______ a robot _____ the same things as a person.
A.as; to do | B.for; to do |
C.for; doing | D.as; doing |