找出下面单词中意思不同类的一个,把它的序号写到前面的括号里。
( )1. A. tasty B. sour C. thin D. salty
( )2. A. bedroom B. closet C. kitchen D. bathroom
( )3. A. village B. tree C. flower D. grass
( )4. A. fish B. tofu C. tomato D. road
( )5. A. curtain B. trash bin C. fresh D. mirror