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新概念英语 1（教师用书）
The teacher\'s notes
The notes which accompany each teaching unit should be treated as
suggestions. The teacher may depart from the scheme that is laid down if
he wishes to, or he may omit any exercise which does not seem to suit his
purpose.
The teacher\'s notes
The notes which accompany each teaching unit should be treated as
suggestions. The teacher may depart from the scheme that is laid down if
he wishes to, or he may omit any exercise which does not seem to suit his
purpose.
