在下列各句的空白处填入一个最恰当的单词

1. He becomes sad easily. Let's __________ him up.

2. I often help mum __________ the dishes on the table before meals.

3. If you are good at playing soccer, you can help __________ a soccer team for kids.

4. There are many traffic __________ along the street. They can help you find the museum.

5. He likes animals very much.  He wants to be a __________ in the future.

和谐文化是全体人民团结进步的重要精神支撑。建设和谐文化，要开展群众性精神文明创建活动。下列属于这一活动的是（）

①以“讲文明树新风”为主题的创建文明城市活动

②各级党政机关开展的青年志愿者创先争优活动

③社会各界组织的“春蕾计划”、“扶残助残”公益活动

④以“爱岗敬业”为主题的劳动竞赛活动

A.①②

B.①②③

C.②③④

D.①②③④