V.1c that (the book)
2a who thay thế cho danh từ chỉ người làm chủ từ trong mệnh đề quan hệ.
3d a& c are correct(people)
4a which(mexico city)
5b whose(henry...sister)
6b whom(man...people)
7b which(the trousers)
8a who(the girl)
9c whom(the man...we)
10b whose(the artisit...name)
11 whom
12c that(the girl)
13d which(painting)
14c who(people)
15d which(the trees)
16b who(the teacher)
