找出每组单词中不同类的一项，将其序号填入括号里。
Is he ______now? Yes, he is. A.writeing B.write C.writing
_____ your head. A.Touch B.Open C.Close
What _______do you like ? I like math and art. A.subjects B.colors C.food
My brother and I _____ having lunch. A.am B.is C.are
I play _____basketball on Friday. A.a B.the C.不用填
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