idioms definition 1st grade reading

primer,1stgrade, 2ndgrade,3

grade 2 - idioms

sight words,[气球r]分为5级, 五个等级:pre-primer,primer,1st grade

学会高频词才能过渡自我主阅读

高频词阅读训练一共3个级别:pre-primer /pr imer/1stgrade,可以帮助

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