—You need to provide a hard argument as to _______ the exam scheme will be refor

题干

—You need to provide a hard argument as to _______ the exam scheme will be reformed.
—As you see, teachers and students have too much burden.

A．where	B．when
C．how	D．why

上一题下一题 0.4难度单项选择更新时间:2019-03-20 11:05:23

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