The following indicates the answers to Test Yourself: "That" vs. "Which"

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Sentence 1

The data (that or which) we gathered from the experiment were conclusive.

Explanation

This relative clause "...we gathered from the experiment" is essential to the meaning of the sentence. Go back to sentence 1 and click on "that" to see why.

The following indicates the answers to Test Yourself: "That" vs. "Which"

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Sentence 2

A new treatment for AIDS combines three drugs (that or which) include a protease inhibitor.

Explanation

This relative clause is not essential to the meaning of the sentence. Go back to sentence 2 and click on "which" to see why.

The following indicates the answers to Test Yourself: "That" vs. "Which"

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Sentence 3

Fluconazole (that or which) is an imidazole is now considered primary treatment for cryptococcal meningitis.

Explanation

This relative clause is not essential to the meaning of the sentence. Go back to sentence 3 and click on "which" to see why.

The following indicates the answers to Test Yourself: "That" vs. "Which"

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Sentence 4

Substrate B (that or which) can be purchased in large quantities is used in the production of raziline.

Explanation

This relative clause is not essential to the meaning of the sentence. Go back to sentence 4 and click on "which" to see why.