Punctuation: en and em dashes

I was running late—so I grabbed my bag and rushed out the door.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

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Answer explanation

Answer: ❌ B) Incorrect. I was running late, so I grabbed my bag and rushed out the door.

The scientist—who had spent years researching the topic—finally published her findings.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ✅ A) Correct

There are three main ingredients—butter, sugar, and flour—you need to bake a cake.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ❌ B) Incorrect . There are three main ingredients- butter, sugar, and flour- you need to bake a cake.

We were all ready for the trip—until it started pouring rain.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ✅ A) Correct

I need to talk to you—it's really important.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ❌ B) Incorrect . I need to talk to you; it's really important.

The old house—dark, silent, and covered in ivy—stood at the edge of the forest.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ✅ A) Correct

She wanted one thing—peace and quiet—but the noise outside never stopped.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ✅ A) Correct

I was about to answer—but then my phone rang.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ✅ A) Correct

My best friends—Alice, Jake—and Sophie planned a surprise for me.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

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Answer explanation

Answer: ❌ B) Incorrect. My best friends- Alice, Jake, and Sophie- planned a surprise for me.

He always said he'd do it next time—but next time never came.

a) Correct OR Incorrect?

b) If correct, write correct. If incorrect, edit the punctuation to make it right.

Evaluate responses using AI:

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Answer explanation

Answer: ✅ A) Correct