Knowledge (a)enlightens our mind. It enables a man to have (b) mastery over all forces of nature. There are so many wild beasts which are (c) stronger than man. There are forces in nature such as (d) lightening and thunder, flood and earthquake etc. which can destroy a man and (e) civilization in a moment. But a man rules over them all and makes them serve (f) according to his wish. He makes use of the solar power to (g) brighten the night. He is the (h) conqueror of time and space. All discoveries and (i) inventions are the results of (j) knowledge. It makes him (k) undoubtedly the mightiest of all the (l) creatures  in the universe. To maintain (m) superiority, man has to work (n) throughout his life.

122.
There is no doubt that youth is (a)_the__. best time of (b)_x__life. This is the time when it is (c)__the_most important (d)_for__ one to remember (e)the___ maxim. "As you sow, so shall you reap." One must sow (f)_the__ seeds (g)__of_ industry, truthfulness and other virtues (h)_for__this season (i) _to__ reap the harvest of prosperity and happiness. Whatever takes root in a man (j) _of__ this time lasts throughout the rest of his life and moulds his future.

Op

hl bushra 

Honesty can open a door of peace before a person.

= Dishonesty cannot open a door of peace before a person.

Everybody is fond of glittering things.

= Nobody is fond of non-glittering things

I know the student.

I was given an interesting book by her. 

Magura is not as old as Jashore.

Truthfulness is better than any other quality of a person.

Dhaka city is the most populous city in Bangladesh.