The correct choice in this sentence is "was writing."

### Explanation:
In this case, the sentence describes an ongoing action in the past when Kenny discovered a new chemical element. The past continuous tense ("was writing") is used to indicate that the writing of the thesis was in progress at the time of discovery.

- "Wrote" is simple past tense, which would imply that the writing was completed before the discovery, but that doesn't match the intended meaning.
- "Were writing" suggests that there were multiple people involved in writing, which is not indicated in the context.

Therefore, the complete sentence should read: "Kenny discovered a new chemical element while he **was writing** his thesis."

Question

The correct choice in this sentence is "was writing."

### Explanation:
In this case, the sentence describes an ongoing action in the past when Kenny discovered a new chemical element. The past continuous tense ("was writing") is used to indicate that the writing of the thesis was in progress at the time of discovery.

- "Wrote" is simple past tense, which would imply that the writing was completed before the discovery, but that doesn't match the intended meaning.
- "Were writing" suggests that there were multiple people involved in writing, which is not indicated in the context.

Therefore, the complete sentence should read: "Kenny discovered a new chemical element while he **was writing** his thesis."

Knowee AI · Accepted Answer

The correct choice in this sentence is "was writing."

### Explanation:
In this case, the sentence describes an ongoing action in the past when Kenny discovered a new chemical element. The past continuous tense ("was writing") is used to indicate that the writing of the thesis was in progress at the time of discovery.

- "Wrote" is simple past tense, which would imply that the writing was completed before the discovery, but that doesn't match the intended meaning.
- "Were writing" suggests that there were multiple people involved in writing, which is not indicated in the context.

Therefore, the complete sentence should read: "Kenny discovered a new chemical element while he **was writing** his thesis."

Kenny discovered a new chemical element while he _____ his thesis. was writing wrote were writing

Question

Kenny discovered a new chemical element while he _____ his thesis.

Solution

Explanation:

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