he thinks that it is difficult for a robot to do the same things as a person 翻成同义句.
题目
he thinks that it is difficult for a robot to do the same things as a person 翻成同义句.
He thinks ____ ____ for a robot todo the same things as a person,
用这种句式.
答案
it difficult
这里it 做形式宾语,所以省略谓语is
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