Which sentence is punctuated correctly? can someone check my answers? a. be careful david, or you'll slip on the ice. *** b. be careful, david or you'll slip on the ice. c. be careful, david, or you'll slip on the ice. d. be careful david or you'll slip, on the ice. a. some bright objects in the night sky are far-away suns, others are local planets. *** b. some bright objects in the night sky are far-away suns; others are local planets. c. some bright objects in the night sky are far-away suns, astronomy is a science. d. some bright objects in the night sky are far-away suns; astronomy is a science. a. commonly used coins include: pennies, nickels, dimes and quarters. b. commonly used coins include: pennies, nickels, dimes, and quarters. c. here are some commonly used coins: pennies, nickels, dimes and quarters.*** d. here are some commonly used coins; pennies, nickels, dimes and quarters.