the sister said that she would come to see me next week改错改错.还有一句：helen is sure if she will become the best student
问题描述：
the sister said that she would come to see me next week
改错改错.
还有一句：helen is sure if she will become the best student
答
The sister said that she would come to see me the next week.
Helen is sure (that) she will become the best student.
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答
第一个would变will
第二个will变would
因为第一句是说将要来看我，是将来时
第二句是虚拟语气，假设她是最好的
答
第一句,在next week前加the
第二句,if改为that
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答
next---the following
if---that
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