1. => Our sources of energy will soon end if we don’t try to save them. Unless…………………………………………………………………………… 2. Barbara plays chess better than Mike. =>Mike doesn’t …………………………………………………………………… 3. There are too few glasses for everyone to have a drink. =>We haven’t got…………………………………………………………………. 4. This is the most beautiful sight I have ever visited. =>This is the first time……………………………………………………………. 5. It is my sister’s eighteenth birthday next week. => My sister will………………………………………………………………….. 6. I won’t be able to do anything unless I have a quiet room. => If I don’t have ………………………………………………………………….. 7. Minh likes teaching robots very much. => Minh is very interested in ………………………………………………………………….. 8. The students started to collect old clothes for their charity programme last week. =>The students have ………………………………………………………………….. 9. We will probably go to the moon for our summer holiday in 2050. =>We might ………………………………………………………………….. 10. Nobody in our class is as intelligent as Hoa =>Hoa is ………………………………………………………………….. em đang cần gấp ạ