The video tutorial introduces an object, a hot air balloon, in both English and Vietnamese. It begins with a question about the object's identity and provides the answer in both languages, helping learners understand and identify the object in a bilingual context.

What question is asked to identify an object in English?

• What is this?

• Who is this?

• How is this?

• Where is this?

How do you ask 'What is this?' in Vietnamese?

• Nó là cái gì?

• Ai là cái này?

• Cái này là gì?

• Đây là cái gì?

What is the English term for 'khinh khí cầu'?

• Parachute

• Hot air balloon

• Airplane

• Helicopter

Which of the following is a correct translation of 'It is a hot air balloon' in Vietnamese?

• Nó là một dù.

• Nó là một trực thăng.

• Nó là một máy bay.

• Nó là một khinh khí cầu.

What is the object being described in both English and Vietnamese?

• Boat

• Hot air balloon

• Bicycle

• Car