1. They will use biogas for cooking soon. (BE) Biogas _______________________ for cooking soon. 2. They will use low energy lights to save electricity. (WILL) Low energy lights __________________________ save electricity. 3. When more people drive cars, we will release more carbon dioxide into the air. (RELEASED) When more people drive cars, more carbon dioxide _______________ into the air. 4. On the next Earth Day, they will discuss global warming effects. (EFFECTS) On the next Earth Day, global warming ___________________________. 5. Solar panels will convert solar power to electricity more efficiently. (TO) Solar power ____________________________ electricity more efficiently by solar panels. Ex 2. Put the verbs in brackets in the correct tense forms to complete the sentences (1 point) 1. You (wait) ______________ for her when her plan arrives tonight? 2. Don’t phone me between 7 and 8. We (have) ______________ dinner then. 3. I (send) ______________ in my application tomorrow. 4. Next week at this time, you (lie) ______________ on the beach. 5. You (meet) ______________ your former teachers at 9 am tomorrow giúp mình nhé