4. Read the text and fill in the gaps with the correct form of verbs as per subject and context:

It is natural that a man cannot (a) - (live) alone. He always (b) - (need) a company. He has to (c) - (express) his thought and ideas, (d) - (think) of others while the others (e) - (be) of the same needs. He (f) --- (have) also the need of others for (g) - (ensure) their safety and comfort. So, he is bound (h) - (live) with others (i) - (make) an institution and it (j) - (call) society. Society (k) - (be) the first organization which (1) - (make) by our primitive ancestors. They (m)-(be) the first to contribute to (n) - (develop) the civilization.