The motor sputtered coughed whined and finally died.

Question

a. sentence is correct as shown
b. sentence is incorrect

The turbulent waves, gleaming in the sunlight, pounded the barren
beach.
a. sentence is correct as shown
b. sentence is incorrect

Answer 1

1. b. sentence is incorrect
Suggested revision: The motor sputtered, coughed, whined, and finally died.

2. a. sentence is correct as shown