What's  it like travelling by an air? I have no idea about it.

Recently I have visited the Sundarbans. There are tigers in it.

It is many years since I saw him last. Today I cannot recognize him.

Honesty is the best policy. The people who are honest always succeed in the long run.

Because of greenhouse effect, the climate is changing all over the world.

You cannot shine in life if you do not work hard/unless you work hard.

Overeating is harmful to health. It is high time we changed our food habit/to change our food habit.

There goes a proverb that morning shows the day. 

I work hard although I have limitations./I am physically unfit.

No sooner had I reached the college than the assembly started. 

There are so many poor people in our country. I wish I could help them.

Inspite of having all facilities, the boy failed to succeed.

The old man who is sitting there is my grandfather.

(a) means; (b) is caused; (c) to make; (d) use; (e) cutting; (f) to face; (g) know; (h) is supplied; (i) taking; (j) are cut; (k) will increase; (l) will rise; (m) is called; (n) To enjoy

Deforestation (a) means cutting down trees at random. It (b) is caused mainly by a group of dishonest people. They cut trees (c) to make profit. Ordinary people also (d) use trees as fuel and furniture. Because of (e) cutting more and more trees, we are going (f) to face a great danger in the coming future. We (g) know that oxygen (h) is supplied by trees for animals Without (i) taking oxygen, we cannot live a single moment. If trees (j) are cut down in this way, the amount of carbon dioxide (k) will increase in the atmosphere. As a result, the heat (l) will rise. It (m) is called greenhouse effect. (n) To enjoy a peaceful life, we must plant more and more trees. 

Rubel asked the traffic sergeant why he (T) stopped him (R). He also asked whether/if he (R) had done any wrong. The traffic sergeant replied that he (R) was driving so fast and said that it was not the rule. Rubel apologized respectfully and told him (Ts) that his (R) mother was in the hospital. He further said that he was in a hurry for this reason.

Anika can't afford a bus ticket let alone air ticket.

It may rain today. you had better reach home earlier.

It is many years since we first met. How time does fly!

As his brother met an accident, he needs to go to hospital as soon as possible.

We  have to develop our view about hartal and strike. Let's change our destructive culture.