Câu hỏi:

Choose the letter A, B, C or D to complete the sentences

Question:They are using leaves __________ food.

Choose the letter A, B, C or D to complete the sentences

Question: Water is used to generate __________.

Choose the letter A, B, C or D to complete the sentences

Question:Charities raise money for people who are ___________ need.

Choose the letter A, B, C or D to complete the sentences

Question:If you turn _________ the lights when you don’t use it, you will save electricity.

Choose the letter A, B, C or D to complete the sentences

Question: We can find noise pollution __________ most cities.

Choose the letter A, B, C or D to complete the sentences

Question: We will save the environment if we ___________ plastic.

Choose the letter A, B, C or D to complete the sentences

Question: Let’s reduce the __________ of deforestation.