Complete the sentences 1. If we use a lot of organic food 2 .If we prefer to buy food of conventional farming3. If all farmers used natural fertilizers such as manure 4. If our agriculture had not used chemicals fertilizers 5. If farmers used ladybirds 6. If all farmers all over the world thought not only about their benefit 7. The planet would be the green garden if 8. People in different countries wouldn, t have problems with their health if ​

1. Don’t say anything to Sally about the surprise party on Friday. — Don’t worry, I won't tell her. 2. Randy and Diana are in love with each other. — Yes. I think they will get married soon. 3. I promise, I will be on time. I won't be late. 4. Please, stay with me. — Don’t worry, I won't leave you. 5. It’s too hot in here. — You’re right. I will open the window.6. I’m too tired to cut the grass. — Don’t worry! I will cut it for you. 7. I’m going to the big baseball match tonight. My team, Dallas Cowboys, are playing. — Do you think they wil win?
8. Are you looking forward to your party? — Yes. I hope everyone will enjoy it.

1. The first digital computer could__solve__a lot of mathe­matical problems at a fast ___sped___. 2. Vannevar Bush built the first __electronic___computer in 1930. 3. Babbage's analytical engine was designed to ___process___ data. 4. J.von Neumann invented a machine that was able to__process___ not only data but also __texts___. 5. Neumann__came up with___ the idea of storing data in a __memory___ . 6. Computers use two conditions for__numeric___symbols. 7. The invention of___interface___ _devices__made computers possible to control and __generate___electronic signals. 8. Due to__cash___ __memorycomputers could perform__operations much faster.