13+(-15)-(-13)-(-3)-54= допоможіть будь ласка

ПОМОГИТЕ ПОЖАЛУЙСТА!!!!

Exercise 1a. Use the verbs in Present Indefinite, read and translate the sentences:

1. The humanities (to be) a group of academic subjects.
2. These sciences (to study) various subjects of the human condition.
3. These sciences (to include) more than ten subjects.
4. The classics (to refer) to cultures of classical antiquity.
5. The influence of classical ideas in philosophy (to remain) strong.
6. The influence in literature (to remain) strong too.
7. In our age language and literature (to lie) at the heart of the humani-ties.
8. The influence of electronic communication on our life (to be) great.
9. The impact of electronic communication (to be) of great concern to those who (to study) humanities.
10. Modern technology (to speed up) communication.