X.1 my father is interested in playing board games

2 the last time he smoked cigarettes was one month ago

3 that apartment is the most modern apartment

4 nam's collection has over two hundred stamps

5 it takes me twenty minutes to walk to school every morning

6 it's difficult to lose weight

VIII.1. What is your favorite hobby?

2. How long does he spend carving eggshells?

3. Whom do you often share your hobby with?

4. why did she go to doctor?

5. How many calories a day do people need to stay in shape?

6. When did you start working as a volunteer?

7. What have you done so far?

8. How long has your mother done charitable work ?