VIII. Выберите один правильный вариант ответа. 1. I understand that you are busy now. (Must, Should, Do…have to) … I

1. I understand that you are busy now. Should I phone later? 2. The swimmer pulled together all his efforts and was able to get out of the whirl. 3. Shakespeare can’t have been to the USA because it had not been founded by then. 4. I think that you ought to help this old and miserable man. 5. My niece might visit us this summer. 6. We can go to Venezuela for our holidays. What do you say? 7. For changing over the trains you need to buy another ticket. 8. With new technology you can cut communication costs considerably. 9. You could have stayed at my place when you visited London. Why didn’t you do it? 10. Your hands are full. Shall I help you?