选取：1 Do you know when the telephone----?A was invented B inv

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选取：
1 Do you know when the telephone----?
A was invented B invented C has invented D were invented
2 kites___messages in the war in the past.
A are used for sending B were used to sending C are used send D were used to send

1.A
电话是被发明,应该用被动式,而 telephone用的单数,所以系动词不用复数.
翻译成：你知道电话是什么时候发明的么?
2.D
翻译成：在过去,战争中风筝被用来传送信息.
过去式,应该用WERE,be used to do 被用作……

选取：1 Do you know when the telephone----?A was invented B inv A:When was the telephone invented,do you know? you know when the telephone was invented? Do you know ____?A.who invented tea B.who was the telephone you,know,was,when,basketball,invented,do do you know when basketball was invented do you know when basketball was invented? When was the telephone invented,do you konw?为什么这里用was不是were? when do you think ——? A,was the microwave oven invented B th 英语翻译Do you know when basketball was invented?If you travel a -Do you konw who invented the telephone? -- do you know who invented the telephone -- no l only know