1.l bought a dress yesterday 。 The dress fits me well
2. l losta package 。The package contained a birthdaypresent.
3.l borrowed a book from the library 。It is about ancientpaintings.
4.Martin chose these trousers。The trousers tore when he put them on
改为定语从句
为什么不是 a package which l lostcontained a birthdaypresent
a dress which l bought fits me well
a book which l borrowed is about ancientpaintings
？？？？？？？？？？？？？？
l bought a dress yesterday which fits me welll losta package which contained a birthdaypresentl borrowed a book from the library which is about ancientpaintingsMartin chose these trousers which tore when he put them on
1. I bought a dress which fits me well yesterday.2.I lost a package which contained a birthday present ,3.I borrowed a book which is about ancient paintings from the librar
1.l bought a dress yesterday that fits me well.2. l losta package that contained a birthdaypresent.3.l borrowed a book that is about ancientpaintings from the library.4
1 The dress (which) I bought yesterday fits me well.2 The book (which) I borrowed is about ancint paintings.这两句有没有which都可以，如果有，就是which引导的宾语从句；如果没有，就是that引导的宾语从句，这里省略that。
