4. I don’t understand the question, so I can’t answer well. If ........................................................................................................................................................................ 5. Some students are lazy, so they always get bad marks. If ....................................................................................................................................................................... 6. They bought this house in 2000. This house ......................................................................................................................................................... 7. I took my children to the cinema last Sunday. My children ....................................................................................................................................................... 8. Before she went to school, she had eaten a bog breakfast. After she ............................................................................................................................................................ 9. After Nick had done his homework, he watched TV last night. Before ............................................................................................................................................................... 10. Mai had lived in Hai Phong for five years before she moved to Ha Noi three years ago. After ...................................................................................................................................................................