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最佳答案：How long is how long?
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最佳答案：同学,很高兴回答你的问题正确答案：How often do you watch TV你多久看电视?对频率提问用How often^^^^^^^^^^^^^^^^
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最佳答案：How long did you use English to converse
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最佳答案：How long do you need?
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最佳答案：how long have you been pregnant?
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最佳答案：No matter how long it takes
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最佳答案：宝宝多久才能自己走路?How long can the baby walk on his own?
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最佳答案：How long have you known each other?初二的差不多哦
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最佳答案：How long havn't we been hand in hand?
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最佳答案：How long have you been here?How long have you been stay here?How long have you b