选出不同类的单词 1. A. first B. four C. second 2. A. library B. gym C. water 3. A. way B. lunch C. dinner 4. A. art B. now C. music 5. A. thirty B. forty C. over 6. A. London B. Moscow C. class 7. A. rainy B. kid C. snowy 8. A. book B. hot C. cold 9. A. window B. wall C. ball 10. A. he B. what C. she