每天背熟一句英语（8）I usually carry my keys in my little bag pocket.解决方法

每天背熟一句英语（8）I usually carry my keys in my little bag pocket.
I usually carry my keys in my little bag pocket.
I usually carry my keys in my little bag pocket.
I usually carry my keys in my little bag pocket.
I usually carry my keys in my little bag pocket.

the difficult point in this sentence to me is " bag pocket" 
I didn't know how to say until I search it in google

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It's truly up to you
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good
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I usually carry my keys in my little bag pocket.
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