读一读，找出每组单词中不同类的一个。

① ____     A. time      B. morning     C. afternoon    D. evening

② ____     A. cinema    B. dictionary   C. library       D. hospital

③ ____     A. magazine     B. post card    C. tonight       D. comic book

④ ____    A. tomorrow     B. this weekend C. next one     D. yesterday

⑤____     A. do           B. am         C. is           D. are