根据句意，写出括号内所给单词的适当形式。

小题1:Among all the boys, Tom did the ___________ ( bad ).

小题2:All the ___________ ( swim ) names are on the paper. You can have a look.

小题3:No one helped the old man and he felt ___________ ( help ).

小题4:The teacher changed some of the grades on my paper because she found them ___________ ( correct ).

小题5:Don’t worry about us, we’re old enough to take care of ___________ ( we ).

社区获得性肺炎最为常见的致病菌是______

A．流感嗜血杆菌

B．肺炎支原体

C．肺炎链球菌

D．肺炎克雷伯杆菌

E．葡萄球菌