英语句子(新目标九年级Unit9)疑难句型1whom was the telephone invented by?The telephone_______ ____ ____ ___2___ the computer____ before TV?No,It wasn't.3._____ it____ for holding water?No,It _____ _____ for testing earthquakes.Wow,it'

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英语句子(新目标九年级Unit9)疑难句型
1whom was the telephone invented by?The telephone_______ ____ ____ ___
2___ the computer____ before TV?No,It wasn't.
3._____ it____ for holding water?
No,It _____ _____ for testing earthquakes.
Wow,it'really amazing!

1.was invented by whom
2.Was invented
3.Is used,is used

was invented by Bell
Was invented