Underline the correct modal verbs: 1) scientists don't have to/must consider the dangers of cloning. 2) people mustn't/don't have to be experts to operate a dvd player. 3) you must/mustn't switch off your computer when it is not in use. 4) she has to/mustn't be 20 years old now. 5) you have to/mustn't be careful with electricity. 6) people don't have to/mustn't take computer lessons to use a computer. 7) john mustn't/has to study hard if he wants to become a robotics engineer.

1) must
2) don't have to

3) must
4) has to

5) have to

6) don't have to

7) has to

My name is Mikhailova Elena Dmitrievna. I live in Cheboksary. I study at the Nizhny Novgorod State University of engineering and Economics. (Тут не путай с Present Continuous). I am a student first-year of the group nineteen FROM. My mom's name is Olga Valentinovna Mikhailova, she is a doctor of technical sciences, and she is also works at the Nizhny Novgorod State University of engineering and Economics. (Тут принадлежность, т.е моя мама имеет имя (has)). My father's name is Mikhailov Dmitry Vladimirovich, he works at the bakery in Cheboksary. I also have brother, my brother's name is Yaroslav. He is special guy (можно сказать и boy) since he was diagnosed with autism :(.  I also have a lot of Pets, a dog and four cats. Now, they are all at the dacha, together with their mother and brother in connection with the coronavirus. I really like learning from you. ​

Как-то так. Без переводчика и своими словами ;)

1. Did Ann graduate from the university last year?

Last year Ann didn't graduate from the university.

2. Does Bob know English better than his groupmates?

Bob doesn't know English better than his groupmates.

3. Will the meeting take place at 9 tomorrow?

The meeting won't take place at 9 tomorrow..

4. Was his aim to get higher education?

His aim wasn't to get higher education.

5. Are they good friends because they have common interests and hobbies?

The aren't good friends because they have common interests and hobbies.