Choose the underlined word or phrase A, B, C or D that needs correcting

Exercise 5: Choose the underlined word or phrase A, B, C or D that needs correcting
1. Some people think (A) young people should (B) to follow (C) the tradition of (D) the society.
2. It is essential (A) of (B) people to keep (C) family customs and (D) traditions.
3. I want to cook (A) many delicious (B) dishes to congratulate (C) her about (D) her promotion