Question

Употребите глагол to be в нужную форме. 1.How old ... you? - I ... 16. 2.The days ... rainy in October 3.She ... a second year student. 4.Last year he ... in Moscow. 5.They ... free next Sunday.

Answer 1

Are, am.
Are.
Is.
Was.
Will be.

Answer 2

It looks like you are trying to translate a sentence from Russian to English. Here is the translation I found using one of the web search results:

Answer in detail. Use the verb to be in the correct form. 1. How old ... you? - I ... 16. 2. The days ... rainy in October 3. She ... a second year student. 4. Last year he ... in Moscow. 5. They ... free next Sunday.