Choose the underlined part that needs correction in each of the following questions

Mn lm ơn giúp em bài này vs ạ! Em đg cần gấp lắm ạ! Em cảm ơn
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6. Choose the underlined part that needs correction in each of the
following questions.
28. The (A) Jacksons live (B) in a fascinated (C) neighbourhood downtown
(D) Las Vegas.
29. Khang was (A) so upset because (B) Vy turned back (C) is invitation to
(D) the cinema.
30. Of (A) her two children (B), Anna is the most (C) intelligent and has
better (D) results at school.
31. After (A) a long holiday, now he has to (B) work hardlier (C) than
everyone else (D).
32. Paul reads (A) fastest (B) than (C) anyone else in the class (D).
33. This maths problem (A) was much (B) harder (C) as (D) I expected.
34. This (A) is far (B) the (C) best restaurant (D) in the city.