单项选择题
A.early B.behind C.ahead D.late
A.Very good, thank you. B.Not at all. C.Please take it easy. D.Are you all right E.Excuse me. F.Thank you! G.Don’t take it so much to heart. H.Coffee, pleas
A．how individuals can help make a difference B．running a neighborhood meeting to solve its problems C．citizens’ reactions to the problems they face D．solving problems through group action