1. I was tired, but I stayed up late to complete my homework.

2. Camping is not as comfortable as staying in a hotel.

3. My son used to read comic book everynight when he was nine.

4. You mustn't takes photo in the museum.

1. A local festival is  diferent from an international festival in its scale.

2. The next semester starts on 5th January.

3. Although the bus was late, I still arrived at school on time yesterday.  

1. During schools have typically breaks and the summer Tet holiday .

2.People willuse self - driving cars to travel around cities more easily .

3. You must show your passport at the airport security check.