问题描述：
Fill in ''a'',"an" or "the" where necessary
There is a swing,___tree,___old bicycle,___cat,___angry dog and___bird.Sally is on___swing,___Tom and ___Pat are in ___tree.___anger dog is at___bottom of__tree and___cat is on ___branch!The bird is on the seat of___old bicycle.It's___Sunday and___Browns are in the garden.They are not in ___office today
There is a swing,___tree,___old bicycle,___cat,___angry dog and___bird.Sally is on___swing,___Tom and ___Pat are in ___tree.___anger dog is at___bottom of__tree and___cat is on ___branch!The bird is on the seat of___old bicycle.It's___Sunday and___Browns are in the garden.They are not in ___office today
问题解答：
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