Robots can do many kinds of ______.A.a job B.jobs C.works D.a work
问题描述:
Robots can do many kinds of ______.A.a job B.jobs C.works D.a work
选哪个?为什么?
答
b
Robots can do many kinds of ______.A.a job B.jobs C.works D.a work
选哪个?为什么?
b