I ............... swimming in the pool. - am, You ............. doing you homework. - are, He ............. writing in his notebook. - is, She .................... having breakfast. - is, It ................. sleeping on the floor. - is, We .................. waiting for the teacher. - are, They .............. playing outside. - are,

12. Verb to be (1)

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闪存卡是一个开放式模板。它不会为排行榜生成分数。

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