(a) from 
(b) evil 
(c) a 
(d) enough
(e) given 
(f) deeds 
(g) contrary
(h) injustice
(i) result
(j) ensuring

Self puritication means to keep the soul free (a) from all kinds of sins as well as from (b) evil deeds. This divine quality is (c) a  must in our every day life Only physical priority is not (d) enough mental purity should be (e) given more priority. Self purification inspires one to do good (f) deeds On the (g)contrary a bad man indulges in various sinful thoughts and deeds. He does not hesitate to do (h)injustice or any wrong doing. Asa (i) result  social peace and order are disturbed. So the usefulness of self purification is undeniable for (j) ensuring peace and harmony in the society

(a) started/ opened 

(b) without

(c) off

(d) with

(e) the

(f) going

(g) to

(h) districts/ areas/ regions

(i) which

(j) dream

The Padma multiurpose bridge has (a)started/ opened a new era in the history of Bangladesh. This mega project has been implemented (b)withoutany foreign aid. The southern 21 districts were cut (c)off from the main-land by the mighty Padma river. So, this vast area could not keep pace (d)with the other parts considering economic development. But direct connection with (e)the capital by this bridge is going to expand trade and commerce. Besides, tourism is also (f)going to speed up. All these are contributing much (g)to our economic growth and surely reduce the poverty of those (h) districts/ areas/ regions The construction of the bridge (i)which was our long-cherished (j)dream. at last came true

(a) Global warming refers to the increase in the temperature of the globe.
(b) Irresponsible activities of human being are mainly responsible for it.
(c) Sea level is rising due to global warming.
(d) As a result, the coastal areas are going to be vulnerable.
(e) Using of renewable energy can reduce temperature rise to a great extent.
 

(a) originate 

(b) are 

(c) killing 

(d) do not have

(e) releasing 

(f) polluting 

(g) throw/ are throwing

(h) living 

(i) worked 

(j) ensured

Rivers generally (a)originate from a mountain or a lake. They (b) are  very much important for our existence and economy. But unfortunately we are (c) killing our rivers by throwing industrial and domestic wastes. Most of the industries (d) do not have  waste treatment plants. These kinds of industries are (e)releasing  liquid wastes directly and continuously (f)polluting  the water. Our unconscious people also (g)throw/ are throwing  different kinds of waste materials into rivers. So, to keep the existence of fishes and other species (h)living in the water is impossible. It is high time the government and the people (i)worked together to save the rivers. Otherwise a happy, prosperous and pollution free environment can't be (j)ensured  for the next generation

Rifat asked Sifat what he (S) was reading. Sifat replied that he (S) was reading an interesting drama by Shakespeare and exclaimed with wonder that it was a very interesting drama. He also said that he had collected that from their school library. Rifat requested him (S) to lend him (R) the book.

Water is one of the most useful elements in nature. (Positive)

= Very few elements in nature are as useful as water. (one of the very few)

It is a very important asset. (Exclamatory)

= What an important asset it is! (Subject it > what)

We can not pass a single day without water. (Interrogative)

= Can we pass a single day without water? (Negative sentence-এর ক্ষেত্রে not উঠে গিয়ে interrogative)

lts main source is the rain that creates streams, lakes and rivers. (Compound)

= Its main source is the rain and rain creates streams, lakes and rivers.(that দ্বারা rain কে বোঝানোয় 2nd clause-এর subject হিসেবে rain আসবে)

We have rain during the monsoon. (Complex)

= When it is the monsoon, we have rain. (During থাকলে when হয়)

Heavy rainfall often causes flood. (Passive)

= Flood is often caused by heavy rainfall (causes is caused (present indefinite)}

Crops are damaged. (Active)

= Heavy rainfall damage crops. (Subject না থাকায় heavy rainfall আনা হয়েছে)

Our winter is dry and rainless. (Negative)

= Isn't our winter dry and rainless? (অর্থ পরিবর্তন হয়ে যাওয়ার সম্ভাবনা থাকলে negative interrogative করতে হয়)

Docs rainless winter bring good harvest? (Assertive)

= Rainless winter does not bring good harvest. (Interrogative ev positive থাকায় negative assertive হবে।)

We can grow more crops if we can make the best use of rain. (Simple)

= By making the best use of rain, we can grow more crops. (It + positive = by + verb in ing)

Hardly had he heard the news then he started crying.

She went to Dhaka so that she could get a job.

It is high time to stop corruption/ we stopped corruption.