1. .,as was the front door to the house and.(简明分析一下该句的语法结构,谢过!）
这是个非限制性定语从句,as是关系代词,指代...这句话或词语所表示的意思.再如：He is her one of classmates, as is known to everyone. 这里的as就是He is her one of classmates这件事.
翻译：...通往房子的前门和...
2.He was met with a small trickle of water as it made its way out the bathroom door.(同上)
a. meet with 偶遇, 遭受的意思
b. 主句是被动语态,即：他被一股水冲击
c. as it made its way out the bathroom door.本句的as引导时间状语从句或者原因状语从句,具体是哪一种得看上下文而定.
翻译1：当一股水从浴室夺路而出的时候,他遭受了水的冲击.
翻译2：由于一股水从浴室夺路,他遭受了水的冲击
3.Miles of toilet paper lay in a heap and toothpaste had been put over the mirroe and walls.(同上)
a.Miles of toilet paper 这里的miles说明手纸全部展开,几乎有数英里长.
b.lay in a heap堆成一堆
c.toothpaste had been put over the mirroe and walls被动语态,put over这里是涂满,即“牙膏被涂抹到镜子和墙壁上
翻译：长长的卫生纸缩卷成一团,镜子上和墙壁上都涂满了牙膏.