Question

correct the text by inserting two commas. (note: in this skill, serial commas are not optional.) hanoi, vietnam has had many names throughout the centuries, including thang long, which means soaring dragon.

Explanation:

The sentence needs commas to separate appositives. "which means Soaring Dragon" is an appositive phrase explaining "Thang Long". Also, a comma is needed before the non - restrictive clause "including...".

Answer:

Hanoi, Vietnam, has had many names throughout the centuries, including Thang Long, which means Soaring Dragon.