4 . Li Na used to be a top Chinese tennis player. We consider her a legend. (用定语从句合并)

7 . The house, ________ door often stays open until late at night，works as a home for the guards，some of ________ are from the countryside.（用适当的词填空）

10 . Complete each sentence with that, which, who, whose, whom, or “/”. Then translate the sentences into Chinese.
1. Here are some of the people________ homes were destroyed by the typhoon.
2. The terrible shaking of the building woke up all the people________ were asleep.
3. The next day, people put up shelters in the open air using anything ________they could find.
4. Several days later, most of the buildings________ had been damaged by the hurricane were repaired.
5. The injured boy________ mother was lost in the disaster was taken to the hospital.
6. The woman wrote a thank-you letter to the soldier by________ she was rescued.
7. Is this the young boy________ saved several other students trapped under buildings?