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X. Fill in each blank with a suitable preposition.
1. I’ve been crazy _____ this role-playing games recently.
2. She thinks puzzles are good _____ the brain.
3. I enjoyed hanging out _____ Sarah when we were kids.
4. Could you help me look _____ my contact lens?
5. What do you usually do _____ your leisure time?
6. A lot of kids nowadays have become addicted _____ surfing the net.
7. My sister loves to do origami _____ her own in her free time.
8. He spends most of his free time looking _____ the garden.
9. Today, teenagers rely _____ technology more than in the past.
10. Surfing the net for too many hours can be harmful _____ your health.

C. SPEAKING
1. Write questions for the underlined parts.
1. A: How often does your mother _____?
B: My mother watches Korean dramas every afternoon.
2. A: _____ they go to the movies?
B: They went to the movies yesterday evening.
3. A: _____ do you love hanging out _____?
B: I love hanging out with my best friend Helen.
4. A: _____?
B: I don’t give my personal information to websites because it’s easy to be stolen.
5. A: _____?
B: Yes, I’d like to visit the museum with you.
6. A: _____?
B: Do-it-yourself (DIY) is the most popular pastime in my country.
7. A: _____?
B: The art of paper folding originated in China.
8. A: _____?
B: I felt excited when I took part in Lightning Quiz game show.

II. Put the dialogue into the correct order.
6. What types of books do you like most?
Well, reading gives me much pleasure and knowledge. Each...
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