学帮网who it was invented by?这句话是错的 怎么改 为什么啊改为陈述 It was invented by who。似乎正确啊为什么was在it之前而已。
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who it was invented by?这句话是错的 怎么改 为什么啊
改为陈述 It was invented by who。似乎正确啊
为什么was在it之前而已。
who was it invented by?
whom was it invented by?
who was it invented by？