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what's this in English?怎么回答?可以用this 还是只能用It is 还有Who is that?是要用he/she还是it回答

题目详情
what's this in English?怎么回答?可以用this 还是只能用It is
还有Who is that?是要用he/she还是it回答
▼优质解答
答案和解析
用this is
第二种要看情况
如果栓双方都知道who的性别那就用he/she
如果不知道则用it