The aircraft carrier is indispensable in naval operations against sea or shore based enemies.

It was boiling yesterday. We have a very humid and dry summer this year.

I received housing benefit when I was unemployed.

The consequences of the typhoon were disatrous due to the lack of effective measures.

Peter didn’t mean to be disrespectful to his teacher. He just couldn’t control his temper.

The related publications are far too numerous to list individually.

I didn’t think his the comments were very appropriate at the time.

It’s a really difficult matter to decide how to solve now. I will need time to think it twice.

She came to the meeting late on purpose so she would miss the introductory speech.

The purpose of this survey is to determine students’ attitudes toward love and marriage.

Ask Mum for permission to go out now. She looks like she’s in a good mood.

I told you clearly and definitely not to write your answers in pencil, Smith!

The yearly growth of the gross national product is often used as an indicator of a nation's economy.

I didn’t go to work this moring. I stayed at home because of the morning rain.

The twins look so much alike that no one can tell them apart.

In the twentieth century, drug markedly improved health throughout the world.

The Asian Games have advanced in all aspects since the first Games was help in 1951.

S. Mayo Hospital in New Orleans was so named in recognition of Dr. Mayo’s outstanding humanitarianism.

Nobody knows the origin of the Vietnamese long dress. There was no evidence about where and when it appeared.

Professor Berg was very interested in the diversity of cultures all over the world.

Many scientists agree that global warming poses great threats to all species on Earth.