Now there are already robots in factories.A. workingB. to workC. workD. worked

发布时间：2020-08-21 18:47:15

Now there are already robots      in factories.
A. working
B. to work
C. work
D. worked

网友回答

(答案→)A. working
B. to work
C. work
D. worked
解析：考查非谓语动词。句意：现在已经有机器人在工厂工作了。现在分词作定语表示正在进行的伴随性动作，和被修饰词是主谓关系。故选A。。
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