Ⅰ、单项选择。（20分）
1.---What’s this in English?
---It’s ______ English book.
A.a B.an C.the D./
2.---What’s _______ favorite subject?
--My favorite subject is math.
A.you B.your C.his D.me
3.We _________ a soccer ball.
A.aren’t B.don’t C.don’t have D.doesn’t have
4.I can’t play soccer. I think it’s ________.
