人教版八年级下册英语第六课Grammar Focus

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人教版八年级下册英语第六课GrammarFocus人教版八年级下册英语第六课GrammarFocus人教版八年级下册英语第六课GrammarFocus1howlonghaveyoubeenskatin

人教版八年级下册英语第六课Grammar Focus
人教版八年级下册英语第六课Grammar Focus

人教版八年级下册英语第六课Grammar Focus
1how long have you been skating i’ve been skating since nine o’ clock / i ’ve been skating four five hours 2 how long did you skate?i skate for two hours