Task 116. Paragraph①17. Paragraph②18. Paragraph③19. Paragraph④20. Paragraph⑤A. Definition of volunteersB. How volunteers are organizedC. How volunteers contribute to societyD. Why people want to be volunteersE. An organization sending volunteers abroadF. An organization delivering meals to the elderly
Bicycle commuting could be more effective in reducing greenhouse gases.
A、True
B、False
C、Not Given
According to the text, mistakes give us chances to()