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Question

Difficulty: MediumColons, Semicolons, and Dashes

Which punctuation mark should be placed in the blank to ensure the sentence conforms to the conventions of Standard English?

Answer:During the excavation of the ancient Roman port, archaeologists uncovered artifacts from various Mediterranean regions: transport amphorae from Carthage, modern-day Tunisia 【;】 glass vessels from Alexandria, Egypt; and decorative mosaics from Antioch, Turkey.

Answer

A semicolon (;) must be used to separate items in a list when those items already contain internal commas.
A semicolon (;) is the correct punctuation mark because the sentence presents a complex list where the items already contain internal commas. To prevent confusion and maintain parallel structure with the semicolon used later in the sentence, a semicolon must be used to separate the items.

Step-by-Step Solution

1
Identify the structure of the sentence and the elements being listed.
The sentence lists three types of archaeological artifacts: amphorae from Carthage, glass vessels from Alexandria, and mosaics from Antioch.
Determining the parts of the list helps establish the appropriate level of punctuation required.
2
Examine the internal punctuation of each list item.
Each individual item in the list contains a comma separating the city of origin from the modern-day country (e.g., 'Carthage, modern-day Tunisia').
Since the list items contain internal punctuation, standard commas cannot be used to separate the items themselves without creating confusion.
3
Apply the rule for complex lists with internal commas.
A semicolon must be inserted in the blank to separate the first item from the second item, matching the semicolon that separates the second item from the third.
Semicolons function as 'super-commas' to clearly divide complex items in a list.

Key Concept

Semicolons in Complex Lists
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Topics

Colons, Semicolons, and Dashes

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