We __________ (test) the new machine when the electricity __
We __________ (test) the new machine when the electricity __
We _(test)the new machine when the others _(wor
After the new machine was introduced,the factory produced __
改写句子:1 We watched TV when the electricity went off.2 What we
we can save electricity ______ lights when we leave the room
when was the machine produced
用适当的形式:The machine switches __(it) off when the process is c
The names of electricity machine的machine要加s吗?
What's that noise?-oh,i fogot to tell you,the new machine __
the problem is (how) we can( operate) the new machine( on) s
we hope we can pass the test next week 改为同义句 we hope ____ __
when you buy a new machine,you must read the i___ first.