A.   When we arrived at the convention, we saw immediately that we were overdressed for the occasion.

B.   When we arrived, at the convention, we saw immediately that we were overdressed for the occasion.

C.   When we arrived at the convention we saw immediately that we were overdressed for the occasion.

A.   If you complete the enclosed card, and return it in two weeks, you will receive a free breakfast during your stay.

B.   If, you complete the enclosed card, and return it in two weeks, you will receive a free breakfast during your stay.

C.   If you complete the enclosed card and return it in two weeks, you will receive a free breakfast during your stay.

A.   Many musicians of Bach’s time played several instruments, but few mastered them, as early or played with as much expression as Bach.

B.   Many musicians of Bach’s time played several instruments, but few mastered them as early or played with as much expression as Bach.

C.   Many musicians of Bach’s time played several instruments but few mastered them as early or played with as much expression as Bach.

A.   When air-conditioning arrived in the workplace it had a large, measurable impact on productivity.

B.   When air-conditioning arrived in the workplace, it had a large measurable impact on productivity.

C.   When air-conditioning arrived in the workplace, it had a large, measurable impact on productivity.

A.   It was a small unimportant part, but I was happy to have it.

B.   It was a small unimportant part but I was happy to have it.

C.   It was a small, unimportant part, but I was happy to have it.

A.   Sally’s best friend, Sid Philips, has been playing the guitar since the age of seven

B.   Sally’s best friend Sid Philips has been playing the guitar since the age of seven

C.   Sally’s best friend, Sid Philips has been playing the guitar since the age of seven

A.   The gentleman, waiting for a prescription is Mr. Rhee.

B.   The gentleman waiting for a prescription, is Mr. Rhee.

C.   The gentleman waiting for a prescription is Mr. Rhee.

A.   Cyril was clad in a luminous orange rain suit, and a brilliant white helmet.

B.   Cyril was clad in a luminous orange rain suit and a brilliant white helmet.

C.   Cyril was clad in a luminous, orange rain suit, and a brilliant white helmet.

A.   The woman running for council, seat in the fifth district has a long history of community service.

B.   The woman running for council seat in the fifth district has a long history of community service.

C.   The woman running for council seat in the fifth district, has a long history of community service.

A.   She wore a black silk cape a rhinestone collar satin gloves, and high-tops.

B.   She wore, a black silk cape, a rhinestone collar, satin gloves and high-tops.

C.   She wore a black silk cape, a rhinestone collar, satin gloves and high-tops.