Complete the following sentences with suitable clauses/phrases:

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.