英语句子（新目标九年级Unit9）疑难句型
问题描述：
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!
答
1.was invented by whom
2.Was invented
3.Is used,is used