The following is a run-on sentence. Choose the answer below that would make this sentence grammatically correct.

Question

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Merdine is a skilled carpenter she single-handedly built a two story log cabin.

Merdine is a skilled carpenter, she single-handedly built a two-story log cabin.
Merdine is a skilled carpenter, and she single-handedly built a two-story log cabin.
Merdine is a skilled carpenter; she single-handedly built a two-story log cabin.
Both choice 2 and 3 are correct.

Answer 1

Both choice 2 and 3 are correct.

Correct versions:

• Merdine is a skilled carpenter, and she single-handedly built a two-story log cabin.
• Merdine is a skilled carpenter; she single-handedly built a two-story log cabin.