Câu 1
1. To swim here is dangerous
-> It is
2. Singing karaoke is easy
-> It is
3. Mary is glad. She gets good marks
-> Mary is glad to
4. Jane is happy. She wins the competition again
-> Jane is happy to
5. The workers clean the streets every day
-> The streets
6. Somebody locks the gates at 6.30 p.m
-> The gates
7. We should use cloth bags instead of plastic bags
-> Cloth bags
8. People can recycle tires to make pipes or floor coverings
-> Tires
9. They will know the result next week
-> The result
10. They built this bridge in 2014
-> This bridge
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Loga
Sinh Học lớp 12
