ПОМОГИТЕ , УМОЛЯЮ!!!!!!!
Exercise 1.
Open the brackets putting the verb in the necessary form.
Use the Present Indefinite, the Present Continuous, the Present Perfect.

1. The workers of our town (build) houses every year. They already (build) many houses in our town. Many people (move) to these houses.
2. Sorry, Ann, I (leave) my book at home. Can you give me yours?
– ¬Here you (be).
3. The students of our group are in room 222. They (listen) to a lecture on modern English writers. – How often they (have) such lectures? – Not very often. They (have) only two lectures this month.
4. Don’t talk to Kate. She (write) a letter to a friend of hers.
5. Nina never (miss) her lessons. We often (can see) her in the library or in the lab. She (be) always at her books. As far as I know she always (be) a hard-working girl. – How long you (know) her? – Oh, I (know) her since my childhood.
6. I’m sure Peter (take) the post graduate course after his final examinations. All these years he (get) only excellent marks in all the subjects. He (be) a talented boy.
7. I (like) her because she (have) a heart of gold.
8. You (do) your work and you may go now.
9. I not (see) Nina since last Saturday.
10. Dmitry not (return) from his walking tour yet, ____ he?
– No, he ____ not. He (be) away for two days already.