1 Despite it rained heavily, they still went hiiking.

2 We are looking for 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.

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