选出不同类的一项，并将字母编号写在题前括号里。
( )(1)A.in B. on C.under D.cap
( )(2)A.sixteen B.ball C.nineteen D.fifteen.
( )(3)A.eighteen B.strawberry C.watermelon D.grape
( )(4)A. teacher B. UK C. China D.Canada
( )(5)A.sister B.mother C.brother D.woman
【答案】(1)D (2)B (3) A (4)A (5)D
【解析】