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: We can find noise pollution __________ most cities.

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

Question: If we continue to deforest, our earth ___________ polluted.

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:Do you know what ___________ water pollution?

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

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

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

Question:We ___________ a survey to know more about recycling.