tìm từ và sữa lỗi sai do you know how much does it cost to fly to hanoi ?

Cách làm:

1. Do you know -> Bỏ "does" để trở thành: do you know how much it costs to fly to Hanoi?

Câu trả lời:

1. The cost of flying to Hanoi depends on various factors such as the airline, the time of booking, the class of service, and the season. It is recommended to check with airlines or travel agencies for the most updated information on ticket prices.

It is recommended to compare prices from different sources to find the best deal for a flight to Hanoi.

You can check the cost of flying to Hanoi by visiting airline websites, travel agencies, or using online flight comparison tools.

The price of a flight to Hanoi depends on various factors such as the airline, time of booking, and class of travel.

The error in the original question is the use of 'does' after 'how much'. It should be 'costs' instead.