英语 特殊疑问句who invented the world's first phone?who did invent the world's first phone?哪一句语法是对的为什么第一句是对的,

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英语特殊疑问句whoinventedtheworld''sfirstphone?whodidinventtheworld''sfirstphone?哪一句语法是对的为什么第一句是对的,英语特殊疑问句who

英语 特殊疑问句who invented the world's first phone?who did invent the world's first phone?哪一句语法是对的为什么第一句是对的,
英语 特殊疑问句
who invented the world's first phone?
who did invent the world's first phone?
哪一句语法是对的
为什么第一句是对的,

英语 特殊疑问句who invented the world's first phone?who did invent the world's first phone?哪一句语法是对的为什么第一句是对的,
第一句对,who did一看就不对,多练练语感吧