Not everyone realizes that the most largest organ of the human body is the skin.

Jason’s professor had him to rewrite his thesis many times before allowing him to hand it in.

When many of my friends take a shower in the morning, I usually take one before bed.

Little have people done to alleviate the sea pollution caused by the factories in central Vietnam, haven’t they?

The grass needs cutting, so let us have one of the men to take lawn-mower and do it.

I had my motorbike repair yesterday but now it still doesn’t work.

Two weeks are plenty of time to finish the assignment.

In the end of the party, Mary found herself washing the dishes alone again, as usual.

The harder he tried, the worst he danced before the large audience.

Neither of the men arresting as terrorists would reveal information about his group.

The police is looking for the bank robbers who stole a large sum of money from the bank.

In spite of my father is old , he gets up early and does morning exercise.

Those who had already purchased tickets were instructed to go to gate first immediately.

It is important that you turned off the heater every morning before you leave for class.

I’m not used to go to school late. I prefer punctuation.

Sometimes it takes me about three hours finishing my round.

On the wedding day, the groom's family and relatives go to the bride’s house bring gifts wrapped in red papers.

These snakes will not cause you any serious harm. They are harmful.

More than ten students have failed the exam, that surprised the class teacher.

Looking from afar, the village resembles a small green spot dotted with tiny fireballs.

Ecologists are trying to preserve our environment for future generations by protecting the ozone layer, purifying the air, and have planted the trees that have been cut down.