读一读，找出每组单词中不同类的一个。
(    ) ⑴ A. time          B. morning         C. afternoon      D. evening
(    ) ⑵ A. cinema        B. dictionary      C. library        D. hospital
(    ) ⑶ A. magazine      B. post card       C. tonight        D. comic book
(    ) ⑷ A. tomorrow      B. this weekend     C. next week      D. yesterday
(    ) ⑸ A. do            B. am              C. is             D. are