摘要：

The specification discloses a typewriting sentence learning system and the corresponding method with hint profolio. A hint module output a combination of hints in a sentence database. A result comparison module compares the sentence entered by the learner with the correct answer and sends the comparison result to a level tuning module. The level tuning module then adjusts the difficulty of the problems. Since the invention increases the learning difficulty because of the learner has to type in his or her answer, the learner does not only improve in the sentence organization ability but also the typewriting ability.

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