EXERCISE 17–1 Commas with independent clauses and introductory elements

EXERCISE 17–1Commas with independent clauses and introductory elements

Example:

Because the fog was so thick, we couldn’t see the valley below the lookout.

Because the fog was so thick we couldn’t see the valley below the lookout.

The first sentence correctly uses a comma after the introductory clause.

For more help, see sections 17a and 17b.