1. Peter borrowed my camera but he didn't r___________ it to me. 2. They had a very unusual e___________ on Sunday. 3. We all know Yang Liwei is a great a___________. 4. If you get a good c___________, ou must hold it. 5. When the alien was buying a s___________ the girl called the police. 6. Don't cross the street when the light is red. It is very ___________ (危险). 7. My spoken English is poor. I want to ___________(提高)it. 8. We must ___________(保护)the forest. It's good for us. 9. I don't like living ___________(独自). 10. I got up early this morning in ___________ to(为了)catch the early bus.
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