Choose the underlined part among A, B, C or D that needs correcting.

(A) On Sundays, Bob (B) doesn’t mind (C) to help his mother to do the (D) housework.

There are even 3 millions people who (10) ______ a sport called “muzzle loading”, which involves shooting a gun that looks 200 years old.

the 196,000 who attend (9) _______ volleyball, or the 680,000 who go to tractor pulls every month.

Come join the 6.8 millions who are (8) ______ a book club,... 

When I was growing up, my mom had one piece of advice for me, and she said it (7) ________ single morning.

When I was growing up, my mom had one piece (6) _______ advice for me,

This is (5) _____said than done, especially during the world series.

It might be (4) ______ we waste half of all our leisure time watching television.