Mr. John is very interested in tourism. He wants to visit Bangladesh with a view to ____.

Most of the rivers are getting polluted day by day. It is high time we stopped water pollution / to stop water pollution.

Explanation- [ It is high time Sub+V2.... or to + V1......]

Milk is rich in food values. We should take milk everyday so that we can keep our body fit

I like to play cricket in my leisure time. When I get a chance, I play cricket with my friends / I rush to a cricket field.

No nation can develop without education. So, it is rightly said that education is the backbone of a nation.

Mina really sings well. If she gets opportunity, she can become a famous singer [Zero conditional]

He was a petty clerk. But he behaved as though he had been an officer. 

[unreal condition had been হবে]