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1.It is about 25 kilometres from Hoi An to Da Nang

Information:First and second sentences

 2.There are about 100000 people in Hoi An

Information:Third sentence

1. How far is it from Hoi An to Da Nang?

=> It's about 25 kilometres from Hoi An to Da Nang

Dẫn chứng: Ở câu thứ 2 dòng đầu tiên: "It's about 25 kilometres to the south of Da Nang."

2. How many people are there in Hoi An?

=> There are about 100000 people in Hoi An

Dẫn chứng: Ở câu đầu tiên dòng thứ 2: "There are about 100000 people living here."

Chúc cậu học tốt nhé!!!