Câu hỏi:

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: You should put rubbish in the recycling ___________.

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

Question:Do you know what ___________ water pollution?

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: Water is used to generate __________.

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: We are trying to __________ the president to the party.