问题描述：
选择：To learn English well,we should find opportunities to hear English( ) as much as we can.
To learn English well,we should find opportunities to hear English( ) as much as we can.
speak?
speaking?
spoken?
to speak?
理由..
To learn English well,we should find opportunities to hear English( ) as much as we can.
speak?
speaking?
spoken?
to speak?
理由..
问题解答：
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