Read the text and fill in the gaps with the correct form of verbs and subject-verb agreement as per context.

(a) _____ (acquire) knowledge is not limited to any age or timE- It can (b) _____ (gain) by any person all through the lifE- It (c) _____ (be) like unlimited wealth which can never (d) _____ (finish). However, the level of a person's knowledge (e) _____ (develop) with his dedication, patience and continuity. A person (f) _____ (have) some new knowledge through regular observation and experimentation. The progress of human being largely (g) _____ (depend) on the growth of knowledge in various fields in positive and constructive ways. For example, Newton (h) _____ (discover) a theory of gravitation and there are many famous scientists who (i) _____ (invent) amazing things (j) _____ (make) life easy on the earth.