从每组单词中选出不同类的一项。
(______) 1. A. library B. garden C. computer
(______) 2. A. lunch B. English class C. music class
(______) 3 A. teachers’ office B. first C. second
(______) 4. A. cold B. cool C. class
(______) 5. A. dinner B. lunch C. football
【答案】C A A C C
【解析】