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Fernandez Weber

10/04/2023 · Primary School

7. In 1934, chemist Wallace Carothers produced a plastic which $\qquad$ nylon. 

A. his call 

B. he called 

C. to call him 

D. calling

Answer
expertExpert-Verified Answer

Dickson Powers
Experienced Tutor
4.0 (36votes)

B. he called

Solution

UpStudy Free Solution:

 

The correct answer is:

 

B. he called

 

So the sentence should read:

 

"In 1934, chemist Wallace Carothers produced a plastic which he called nylon."

 

Supplemental Knowledge:

 

Understanding verb tense and agreement is crucial for constructing grammatically correct sentences. In this context, we need to choose the correct verb form to complete the sentence appropriately. Here’s a brief overview of the options:

 

1. His call - This phrase is a noun phrase and does not fit grammatically in this context.

2. He called - This past tense verb phrase correctly indicates that Wallace Carothers named the plastic "nylon."

3. To call him - This infinitive verb phrase does not fit the grammatical structure of the sentence.

4. Calling - This present participle form does not fit well in this context either.

 

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