Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
Question 5: Look at all the trash! The volunteers _________ it up today.
A. clean B. are going to clean C. will clean D. am cleaning
Question 6: Clean energy sources _________ to reduce carbon emissions
A. are developing B. are going to develop C. develop D. will be developed
Question 7: We should _________ rubbish we see on the beach to keep the environment clean and safe for marine life.
A. turnoff B. setup C. break down D. pick up
Question 8: Large trees on the street provide shade for people and reduce the urban _________.
A. explosion B. heat C. item D. resource
Question 9: We can all contribute to a cleaner planet by living _________ and reducing our carbon footprint.
A. green B. blue C. yellow D. red
Giúp mik vs ạ