作业帮when was the ...invented? who were they invented by? what an
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when was the ...invented? who were they invented by? what ane they used for?造一对话.
如上
如上
A: When was the telephone invented?
B: It was ivented about 1 hundred years ago.
A: Who were they invented by?
B: They were invented by Bell.
A: What are they used for?
B: They are used for calling people far away of you, so we can get iontouch with people easier.
B: It was ivented about 1 hundred years ago.
A: Who were they invented by?
B: They were invented by Bell.
A: What are they used for?
B: They are used for calling people far away of you, so we can get iontouch with people easier.
when was the ...invented? who were they invented by? what an
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