The students are able to c_______ their attention on their work.

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Thestudentsareabletoc_______theirattentionontheirwork.Thestudentsareabletoc_______theirattentiononth

The students are able to c_______ their attention on their work.
The students are able to c_______ their attention on their work.

The students are able to c_______ their attention on their work.
concentrate