Bold sentences show punctuation and alphabet errors

a. Don't stand in my way.
b. Cecilia and I fought our way through the crowd.
c. The vegetables were old rubbery and tasteless. (comma missing after old)
d. No mistakes.

a. Remember to walk the dog.
b. "Don't run"! Mr. Ellington shouted. "Don't run !"
c. It's supposed to snow today and tomorrow.
d. No mistakes.

a. Charleen's parents worried whenever she drove the car.
b. Who designed the Brooklyn Bridge?
c. Diseases like Smallpox and Polio have been eradicated. (S and P in Smallpox and Polio should be lower case)
d. No mistakes.