The capital of japan i have read that this huge city has over 30 million people is tokyo. which is the best way to revise this sentence? the capital of japan, i have read that this huge city has over 30 million people, is tokyo. the capital of japan—i have read that this huge city has over 30 million people is tokyo. the capital of japan—i have read that this huge city has over 30 million people—is tokyo.

The answer is: The capital of Japan—I have read that this huge city has over 30 million people—is Tokyo.

To find the best way to revise this sentence, we need to know that we are using a punctuaction mark called "long dash" and we use this mark when we want to insert an explanation about we are talking about in the middle of the phrase.

Have a nice day!

the answer is a.

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hope this !

i would need the available options to be listed to give you an answer.