1. The woman, whose job is to order books, is a library assistant.
2. Eduardo, whose exam is tomorrow, is studying.
3. Last week we did the experiment which is failed.
4. Spain, which is a popular tourist destination, can get very hot in the summer.
*Giải thích:
1+2. whose (sở hữu, thay cho "woman's" ở 1, "Eduardo" ở 2)+ danh từ
3+4. which (thay cho "the experiment" ở 3, "Spain" ở 4)+ mệnh đề (V(+O)...)
