【改为同义句：Ifyouthinkhard,you'llknowtheanswer.____________,______you'llknowtheanswer.】
2020-12-23 141次 反馈错误 加入收藏 正确率 : 100%
题目内容：
改为同义句：If you think hard,you'll know the answer.______ ______,______ you'll know the answer.
优质解答
Think hard,then you'll know the answer.
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