1.The boys are more interested in outdoor activities than indoor ones
=> The boys prefer
2.Some people are still not aware of the importance of preserving our culture
=>I wish all
3.Eating from street vendors in big cities in VietNam is sometimes not hygienic
=>It is
4."Does your school have access to clean piped water?" My aunt asked
=>My aunt asked me
5.We usually read and wrote letters for the villagers in the past
=> We used
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Sinh Học lớp 12
