Is the sentence below correct or incorrect? When the water is polluted, it is safe to drink.

Look at the picture and answer the question: What is the meaning of this sign?

Choose the correct option to complete the following sentence: Ho Chi Minh City has some ……………..streets. We only see small vehicles there.

Choose the correct answer A, B, C or D to complete the following sentence: Many people often go to the city _______ to listen to music at the weekend.

Choose the correct option to complete the following sentence: Hoi An is an …………. town. People there are so …………..

Look at the picture and answer the question: What is it?