1 A 句意“当没人注意时,一个男的溜进我们学校”
首先,这个男的溜进来 是发生在过去的事情,用一般过去时；
然后再看,这个人溜进来和没人注意 两件事发生在同一时间,所以when引导的时间状语从句应用过去进行时
2 A wash well洗得好 (无需用被动态） 以下是几个关于wash well的例句：
Does this cloth wash well?
这种布经洗吗?
Wash it well before you dry it.
先彻底洗一洗,然后晾干.
Very well.Anything else that you want to wash?
好的,还有别的东西要洗吗?
Very well,then I wash my hands of the whole business.
那好,我就不再参与整个这件事了.
Wash the walls down well with soap and water before putting on the distemper.
涂刷色胶前用肥皂水好好地冲洗墙壁.
Heavy rain will not only wash away the soil but will cause serious flood as well.
大雨不但会冲走土壤,而且也会引起严重的水灾.
wash bottle for gases
洗气瓶
Wash one's hands; wash windows.
洗手；擦洗窗户
Does this dress wash?
这件衣服耐洗吗?
I wash my face.
我洗脸.