1 .Li Hong is such a girl who can _______her attention her study for a whole class.
2. Yesterday a robber, who refused to give in, was _______and fired to death by the policeman.
3. An old worker was found__________a painting of Tang Dynasty.
4. On May Day, _________shoppers entered the supermarket,
5. She is a talented musician ___________a photographer.
6. When the earthquake happened,_________, about 150 students were having PE lessons on the
playground.
7. She looked through_________information for the report.
8. __________to reach the mountain summit,they made preparations for everything.
9. Practical experience, ____________,can give us more useful knowledge.
10. It is dangerous to_______the union.
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