Sửa lại câu cho nghĩa không đổi we have never visited Phu Quoc island before It's the

Phu Quoc island is a place we have never visited before

We haven't visited Phu Quoc island yet

This is our first visit to Phu Quoc island

We haven't been to Phu Quoc island before

It's the first time for us to visit Phu Quoc island