Apick and shovel to remove sand; then workers or a crane the artifacts. which pair of verb forms correctly completes the sentence? are used, lifts is used, lift is used, lifts are used, lift

The correct answer is A.

A subject-verb agreement implies that the subject of the sentence and the verb of the sentence must be in agreement in number.

A pick and shovel ( two things, therefore plural ) are used to remove sand;

When two subjects are joined by and, the verb is plural.

then workers or a crane lifts the artifacts.

When two or more singular nouns or pronouns are connected by or or nor, a singular verb is used. The verb agrees in person and number with the noun nearest to it.

man vs. nature - first choice