Chia dang đung cua đong từ 1.She (not be). in her room. She (plant). trees in the garden. 2.They (not listen). to that song sofar. 3.Let's (do) some voluntary . 4.How often (he/visit). his grandparent. 5.I (take). an exam at this time tomorrow. 6.We (know). each other since. We (be). in garde 4. 7.Lan used to (go) (swim). . The classroom (clean). every day.

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