1.Khue Van pavilion was chosen as the official symbol for Vietnam's captal hanoi They..................... 2. it's good idea to rent a bike or motorbike to travel around the city You........................ 3. You shoud take warm clothes becausse it's very cold in Sa Pa You had........................... 4. It's not necessary to book a hotel in advance You don't................................ 5.Let's pay a visit to Huong Pagoda Why don't............................. 6.This bridge is about 800m long.That one is about 800m long , too. This bridge is...................................