The students of our institute (have, has) six or einght lessons every day пепеведите

студенты нашего института имеют шесть или восемь предметов каждый день

i never have to go the library. or:

i don't have to go library frequently.

1. yes, you are right. it was enough hard.

2. thank you. wish you all the best!  

3. see you later, martha. thank you for your wishes

4. well, have a good holiday

5. -yes, it's true

- so, happy b-day, wish you be such lucky as now.

6. thank you, sweaty. i tried to become the best.