选出不同类的词：
⑴A. one          B. first          C. three
⑵A. circle      B. rectangle      C. bicycle
⑶A. biscuit     B. cake           C. apple
⑷A. farmer      B. doctor         C. farm
⑸A. red         B. white          C. write
⑹A. jump         B. dance         C. teache
⑺A. my          B. our           C. you
⑻A. hungry      B. angry         C. warm
⑼A. ear          B. nose          C. feet
⑽A. flower      B. tree           C. sun