The First Sentence in Each Set Contains a Two-Part Verb

question 15

Multiple Choice

The first sentence in each set contains a two-part verb ( to have and a past participle) . The second sentence contains a fixed-form helping verb and a blank. Select the correct form of the main verb for the second sentence. The trumpet players have polished the brass.
The trumpet players should _________________ the brass

• A) polished
• B) polish
• C) polishes

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Definitions:

Carbonic Acid

A weak acid formed in solution when carbon dioxide reacts with water (H2CO3).

Blood PH

Blood pH is a measure of the acidity or alkalinity of blood, with a normal range for human blood typically being between 7.35 and 7.45, indicating a slightly alkaline condition.

Carbon Dioxide

A gas without color or smell, created from burning carbon and organic compounds, and emitted during breathing, which is taken in by plants during the process of photosynthesis.

Arsenic

Referred to as a semimetallic chemical element, recognized for its role in historical poisoning cases, it has applications in electronics and wood preservation.