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
