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(单选题) --How many students do you teach?
--__________()(本题2.5分)
A、 Quite a bit.
B、 More boys than girls．
C、 About 50.
D、 Three classes．
--__________()(本题2.5分)
A、 Quite a bit.
B、 More boys than girls．
C、 About 50.
D、 Three classes．
参考答案