一.I haven't heard from him___he went to america.二.He won't be here __he is invited.三.He will not go to the cinema __he is very busy.四.We found the key she had left it.五.We found the books two days __he had gone away .六.We had no sooner got to the station __the train left.七.He is explaining clearly__they could understand.八.Do not leave the room ___yor have finished the test.九.shi sang__shi went along.We found the key_ she had left it.
问题描述：
一.I haven't heard from him___he went to america.
二.He won't be here __he is invited.
三.He will not go to the cinema __he is very busy.
四.We found the key she had left it.
五.We found the books two days __he had gone away .
六.We had no sooner got to the station __the train left.
七.He is explaining clearly__they could understand.
八.Do not leave the room ___yor have finished the test.
九.shi sang__shi went along.
We found the key_ she had left it.
答
that
unless
because
横线在哪?
since
brfore
why
unless
when
答
that;unless;because;where(空在哪儿啊);before;不知道；so that;unless;when
答
Since,unless,now that,"",after,than,so that,before,while.