问题描述：
I am a(n)(big/old/new/bad)student at school
I am a(n)___student at school
a.big
b.old.
c.new.
d.bad
I am a(n)___student at school
a.big
b.old.
c.new.
d.bad
问题解答：
我来补答展开全文阅读