Chọn từ phù hợp trong hai từ in đậm trong các câu dưới đây

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Bài 3: Chọn từ phù hợp trong hai từ in đậm trong các câu dưới đây.
Example:
Deforestation might have damaging / damaged effects on the environment.
1. Some people are concerning / concerned about air pollution.
2. Crossing the street in Vietnam is frightening / frightened for foreigners.
3. The elderly are pleasing / pleased to live in a city with a clean environment.
4. If the government passes the new law about speed limits, many people will be shocking / shocked.
5. A decline in road accidents this year seems to be quite surprising / surprised.
6. People who rarely go out at night are often considered to be boring / bored.