- 课时1：1_GMAT_Sentence_Correction_Lesson_1_Agreement 09:16
- 课时2：2_GAMT_Sentence_Correction_Lesson_2_Countable_Phrase 11:23
- 课时3：3_GMAT_Sentence_Correction_Lesson_3_Parallelism_Analogy 08:03
- 课时4：4_GMAT_Sentence_Correction_Lesson_4_Redundancy_Pronoun 10:00
- 课时5：5_Pronoun_Antecedent_Agreement 10:06
- 课时6：6_Parallelism 11:57
- 课时7：7_Logic_Direction 11:46
- 课时8：8_Modifier_Proximity 14:00
- 课时9：9_Equivalence_Symmetry 10:30
