Which Verb Tense Is Appropriate for Describing Conditions That Began

question 34

Multiple Choice

Which verb tense is appropriate for describing conditions that began in the past and ended in the present, such as how the tennis player has been bragging all morning.

• A) present
• B) past
• C) past perfect progressive
• D) present perfect progressive

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Definitions:

Separating Elements

Components or techniques used in systems and processes to divide, isolate, or detach different substances or parts.

Electrically

Pertaining to or operated by electricity; involving, derived from, or related to electricity.

Ionization Potential

The minimum amount of energy required to remove the most loosely bound electron from an isolated neutral atom or molecule.

Voltage

An electrical measurement expressing the potential difference between two points, the driving force of electric current.