找出不同类的单词。
（1）A. morningB.noonC. eveningD. after
（2）A. whatB. whenC. week D. where
（3）A. hotB. cold C.weatherD. warm
（4）A. mathB.teacherC. musicD. English
（5）A. elephantB. monkeyC. eleven D.tiger
-- ___ they taking a picture?
--- Yes, they are.
A.Am B.Is C.Are
Can I speak ___John?
A.for B to C.on
Kate ____ playing chess.
A.am B.is C.are
_____season do you like best?
A.Which B.What C.How