----- Nội dung dịch tự động từ ảnh ----- 6. Strawberries are plentiful/limited/renewable and cheap in summer. 7. Our harmful/ available / nuclear natural resources will run out soon. 8. Using green sources of energy can make the air cheap / unlimited/clean. 9. Solar energy seems to be limited / unlimited/ harmful - we can rely on it for a very long time. 10. The air becomes worse because of polluted/polluting/pollution gases from that factory. VII. Fill in the blanks with the present continuous tense form of the verb
