Indicate the Correct Form of the Verb in Parentheses

question 21

Short Answer

Indicate the correct form of the verb in parentheses.
-Two passengers attempted to check in after we (past perfect tense of close)the flight.

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Definitions:

Direct Labor Hour

The amount of time spent by workers in producing a product or service.

Machine Hour

A unit of measure representing the operation of a machine for one hour, often used in cost accounting to allocate expenses.

Power Costs

Expenses related to the consumption of energy or electricity in the production or operation of a business.

Simplest Algorithm

The most basic and straightforward method for solving a problem or performing a computation.