Поставьте предложения в во а затем в отрицательную форму. 1.Most of us had to take medicines to recover as soon as possible. 2.Most people will be able to take their treatment at home. 3.This medicine had to be taken twice a day. 4.People are allowed to take the contraceptive pills as a method of birth control. 5.Penicillin can kill bacteria. 6.Drugs may produce strong or weak effect. 7.Some medicines can be dangerous if they are taken in the wrong amount.

About chemistry can speak long. Thanks to her, in the world there appeared a lot of things. Each of our day goes by without chemistry. We just do not notice it. People dress in chemistry, eat chemistry. Simply we are surrounded by chemicals. And what is this? The science of substances, their properties. The structure and transformations occurring as a result of chemical reactions, as well as laws which these transformations are subject to. The most interesting who invented it. And made it up people themselves. Which to some extent made the world better. But if you look from the other side a little and worsened it. One most important thing in chemistry it is the periodic table Mendeleev.

My plans for August: 1. In August, I am going to buy school supplies for the next school year. 2. In August, I want to go hiking. 3.I will celebrate my birthday in August. 4. I want to attend my aunt's wedding in August. 5. I want to fly to Thailand in August while my classmates get ready for school. 6. In August, I will try to walk my dog ​​more often while my cat is resting on the couch. 7. In August, my friends and I will have a picnic in honor of the last month of summer. 8. In August, I will be cleaning the room more often. 9. In August, I will help my grandmother in the country.