Здравствуйте, Маргарита!

Отметьте, пожалуйста, ответ эксперта ЗВЁЗДОЧКОЙ. Спасибо. :)

What have you learnt for today? Что ты выучил к сегодняшнему дню?
I am sorry, I have not prepared my lesson. Я прощу прощения, но я не подготовил сегодняшнего урока.
I was ill yesterday and didn't know what to do. Вчера я болел и не знал, что нужно было делать.
I will prepare my lesson tomorrow. Я подготовлю всё к завтрашнему дню. 
If you don't your prepare lesson tomorrow, you will get a bad mark. Если ты не подготовишься к завтрашнему занятию, ты получишь неудовлетворительную оценку. 

Здравствуйте, Маша.

1. How do you get on with your parents?

2. Do you ever fall out with your brothers and sisters?

3. What are you looking forward to doing on holiday?

4. Are you going out with anyone at the moment?

5. Where did you grow up? Or have you always lived here?

Здравствуйте, Маша. 

If I were president, I'd build more hospitals.
If I knew the answer, I wouldn't tell you.
If I didn't eat so much, I'd feel better.
If I didn't eat cakes and ice-cream, I'd lose weight.
If I were taller, I'd give you a lift.
If I had a lot of money, I'd build a big house.
If I didn't smoke so much, I'd get a job in the police.
If I found some money in the street, I'd keep it.

Здравствуйте, Екатерина!

1) There is something interesting to read in this magazine.
a) There is nothing interesting to read in this magazine. (отрицательная форма)
b) Is there anything interesting to read in this magazine? (вопросительная форма)

2) Peter is waiting for someone now.
a) Peter is not waiting for anyone now.
b) Is Peter waiting for anyone now? 

3) The sellers have reduced their prices for some of their goods.
a) The selleres have not reduced their prices for any of their goods.
b) Have the sellers reduced their prices for any of their goods?

4) Somebody telephoned me half an hour ago.
a) Nobody telephoned me half an hour ago.
b) Did anybody telephone me half an hour ago?

5) Some of our offices have done business with that firm.
a) None of our offices has done business with that firm.
b) Has any of our offices done business with that firm? 

6) Somebody else will attend to the contract.
a) Nobody else will attend to the contract.
b) Will anybody else attend to the contract? 

Елена, здравствуйте!

1.What does surgery deal with? Surgery deals with the treatment of surgical diseases.
2.What does pediatrics deal with? Pediatrics deals with the treatment of children's diseases.
3.What does dermatology deal with? Dermatology deals with the treatment of skin diseases.
4.What does traumatology deal with? Traumatology deals with the treatment of traumata.
5.What does psychiatry deal with? Psychiatry deals with the treatment of mental diseases.
6.What does osteology deal with? Osteology deals with the structure of bones.
7.What does histology deal with? Histology deals with the microscopic structure of the tissue.
8.What does microbiology deal with? Microbiology deals with the causative agents of diseases.
9.What does biochemistry deal with? Biochemistry deals with the study of chemical reactions in living organisms.
10.What does biology deal with? Biology deals with the origin, reproduction, structures of plant and animal life.

Здравствуйте, Машенька.

Сложно, честно говоря, тут действовать, не зная сути статьи, о которой идет речь в задании, но самые вероятные соответствия, на мой взгляд, получаются следующие:

addict --> inhale, chew
soil --> sweeten (в значении удобрять)
fabric --> refine
silk --> refine
plantation --> harvest
slaves --> harvest
lung cancer --> chain-smoke
luxury --> ban

Здравствуйте, Светлана!

What a strong elephant. It's the strongest animal in the zoo. What a funny monkey in the zoo. It's the funniest monkey in the zoo. What a little car. What (-) little puppies. What a long tail. What a short neck!

Здравствуйте, Каришка. ))

1. How exciting!
2. Was it interesting? No, it was boring.
3. You must be worried.
4. Why are you so surprised to see me?
5. I'm so disappointed.
6. Weren't you frighntened?
7. It's so confusing. 

Здравствуйте, Машенька. 

1. to ski
2. skiing
3. to ski
4. ski
5. skiing
6. to ski