2 - b
3 - a
4 - c
Там по картинкам определяется. Картинка (а) это обьяснение
Картинка B) вопрос задает
А по картинке с) это удивление
must ты используешь как приказ, то есть ты ДОЛЖЕН сделать... should ты используешь как : ты можешь делать и можешь не делать. Отрицательная форма mustn't , shouldn't.
1. He was reading a book at five o'clock yesterday. 2. Will you go for a walk with me? — I am sorry, I can't. I am doing my homework. I haven’t written the English exercise yet. 3. Where do you usually take books for reading? 4. What was he doing when you saw him yesterday? 5. I have never heard of her. 6. This little boy has never seen a crocodile. 7. What are you reading now? — I am reading Tom's book. 8. Autumn has come. It is November now. It is getting colder, the days are getting shorter. It often rains. Soon it will be very cold. 9. Our students have done all kinds of exercises and now they are sure that they know this rule well. They hope they will make no mistakes in the paper.
Communism is a political and economic doctrine which says<span> that everything must belong to the state and the government is to organize all the production. Karl Marx </span>formulated<span> his idea of communism as «from each according to his ability, to each according to his needs». Command economy where strategic decisions are made</span><span> by government and </span>regulated<span> by the price system relied</span><span> on the communist doctrine. China is still </span> organizing<span> its economy along communist lines but Russia and other former (бывший) Soviet Union's countries and East-European countries have recently </span>moved away<span> to more market-based economies.</span>