Question 6:

A:123,446,016.72

B:123446,0016.72

Question 7:

A:Mark as it happens, will be available from midnight.

B:Mark as it happens will be available from,midnight.

Question 8:

A:She leapt to her feet and screamed, "Get off that table!"

B:She leapt to her feet and screamed "Get off that table!"

Question 5:

A:She must be able to sing and she must be able to dance.

B:She must be able to sing, and she must be able to dance.