我嫂子下周要来看我们。

My ___sister-___in-___law is coming to visit us next week.

我们在嫂子家过的圣诞节。

We spent Christmas at my ___sister-___in-___law's house.

她的弟妹帮她筹备了婚礼。

Her ___sister-___in-___law helped her organize the wedding.