against(反对)

　　What you are doing is against the rule.

　　We are against the proposal. (be against 反对)

　　Nobody has got anything against you.

　　along(沿着)

　　They walked along Nanjing Road.

　　There is a cinema along the street.

　　I’m getting along/ on well with my classmates.

    across(穿过)

　　My mother lives across the street.

　　I came across him yesterday. (come across偶然遇到)

　　The post office is just across the street.

　　after(在……之后)

　　The children went to bed after saying good night to their parents.

　　Who will look after your baby while you’re away?

　　(look after 照看，照料，take care of)

　　The girl is named after her mother.

　　(name after 以……命名)

　　Rewrite the sentences after the model. (模仿，仿照)