He is sleeping——all the windows open
A.when B.while C.with D.because
选C,固定用法
Who did you make———stood————（stand） outside yesterday?
被动
I———will tell———（tell） her about it as soon as she ——comes———（come）back
如果满意,请记得采纳,谢谢(*^__^*) 嘻嘻