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How much does it weigh为毛不可以把does换成is?

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How much does it weigh为毛不可以把does换成is?
如题= =.= =.
How much does it weigh为毛不可以把does换成is?
不可以,因为weigh 是实义动词,实义动词作谓语的疑问句要借助助动词DO / DOES / DID ,因为主语是IT 是第三人称单数,故用DOES
再问: 能不能再帮我看一题 = =. What _______ you ________(give)to your teacher for Teachers' Day?
再答: will , give 或 did , give