Câu hỏi:

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:Do you know what ___________ water pollution?

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

Question: Let’s reduce the __________ of deforestation.

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

Question:They use ________ plastic bottles to keep water.

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

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

Question:Why don’t we __________ old school objects for candies?