1 Although the rains heavily, they still went hiiking. ( sau although là 1 mệnh đề)
2 We are looking for a cheap and clean, and effective sources of energy.
3 There are fewer deaths by cancer than by drunken per year.
4 You should switch off electrical appliances when they aren't in use.
5 People recycle old car tires to make shoes and sandals.
6 Overpopulation causes a lot of social problems in this area, doesn't it?
7 Sources of energy will be used more effectively for our future.
8 Most people's lives are influenced by weather conditions.
9 I haven't gone to Ho Chi Minh city for 6 years.
10 Because of the terrible traffic, they arrived late.
ko hiểu thì hỏi mik nhé
