Очень нужно. Можно с объяснением

1. Let us ask mother. She must know his address. 2. You mustn't drink cold water if you don’t want to fall ill. 3. Can you help me? — I am afraid not. 4. You mustn't interrupt me when I am speaking. 5. Pupils mustn't talk during the lesson. 6. It may rain, take your raincoat. 7. My father must be at his office now as it is 8 o’clock already. 8. Can I switch on the radio? — Yes, you can. . 9. May (can) I smoke here? — No, you may not (can not). 10. You can take my pencil for a moment. 11. I can't finish this work today. I am tired.

Ukraine is a country in Eastern Europe.It is washed by the Black Sea and Asov Sea. Ukraine has long been global breadbasket because of its extensive fertile farmlands. It remains one of the world's largest grain exporters. Ukraine is a unitary republic under a semi-presidential system with separate powers and judicial branches. The most important river of the country is Dneper. The only mountains are the Carpathian mountains. The highest is the Hora Hoverla. The country has a great natural resources. Welcome to Ukraine!