某地公民参与了以下政治活动:甲找过区人大代表反映附近工厂排污问题;乙参加了一次间接选举人大代表的活动;丙参加了政府环卫部门举行的执法效果听证会;丁在村民会议上对村幼儿园收费工作发表意见。据此我们可以推断( )
(2013·大纲卷)Since nobody gave him any help, he have done the research on his own.
I______ myself more-it was a perfect day.
Eye doctors recommend that a child’s first eye exam____ at the age of six months old.
-----Excuse me, but could I trouble you for some change? ------_______.Will pennies do?
(2013·新课标Ⅱ卷)Since nobody gave him any help, he have done the research on his own.