Question

1. which sentence has the correct subject - verb agreement? lightning bolts flashes across the sky. lightning bolts flash across the sky.

Explanation:

To determine correct subject - verb agreement, we check the subject and verb. The subject "lightning bolts" is plural. A plural subject should take a plural verb. "Flashes" is a singular verb (used with singular subjects like "a lightning bolt"), while "flash" is the plural form of the verb that matches the plural subject "lightning bolts".

Answer:

The sentence with correct subject - verb agreement is: Lightning bolts flash across the sky.