It's the kind of thing that I sit up late at night thinking about sometimes often at four in the morning.

The number of Zenit boosters was reduced from four to two, and instead of four RD 0120 engines in the core, it had only one.

Hong Kong University, for example, has extended its undergraduate programs from three years to four.

A century scale, decadal scale variability, and we know the magnitude it's about two tenths to four tenths of a degree Centigrade.

Leftover chicken can be stored in the fridge in a sealed container for three to four days.

Married, four children.

The table was laid for four.

Here it took about four minutes.

The exact number of blasts more than four.

The square root of four is two.

And you would, you know, when you think about it, four letters, or the representation of four things, makes us work.

The aim is to clear platforms of snow and ice by start of business and 90 percent of the critical points within four to five hours.

On all four counts, Germany is wrong.

A group of four young women are embarking on a mission to help refugees.

The group was made up of four young men.

He can make himself understood in four languages.

Let's see, if you want to meet them, you'll be sure to find them in the Zoological Gardens from four to five.

The maximum number of cardinals was limited to twenty four, and any new Pope was to be limited to only one cardinal nephew.

Of the four scenarios, the first has caused the greatest unease.

The doctor saved the four people injured in the accident.

Having failed four times, he didn't try anymore.

The Moscow City Court has mitigated punishment for the wheelchair bound disabled man, Anton Mamayev, from four and a half years imprisonment to a fine of 200,000 rubles.

Since then, they have made it to the Final Four six times, but each time they weren't able to play their best basketball.

I have five grandchildren below the age of four.

Birds try to stay about three or four body lengths apart.

The Scottish pro independence campaign is based on four claims.

The police identified four suspects a 19 year old is the primary suspect.

On the Laos Vietnam border, a sub regional cross border transport agreement has cut cargo transit times from four hours to just over one hour. A new customs component to a highway project between Phnom Penh and Ho Chi Minh City helped increase the total value of trade through the Moc Bai Bavet border by 40 over three years.

For four days she was not able to heat her house, until she dug out the old coal buried under the new.

So much for the region s big four countries.

So Lepper became parliament's deputy speaker (one of four).

In the coming years, the debut of at least four new eco friendly models is expected.

Aguero then found himself surrounded by four green shirts.

The 21 year old air traffic controller was forced to jump from a height of four stories.

In South Korea, the highly controversial Four Major River Project has proven to be a train wreck.

After her husband's death, she brought up the four children by herself.

This year, malnutrition will kill almost four million people.

Indeed, it took a motivated Germany four to five years to do it.

For one out of four US mortgages, the debt exceeds the home s value.

It took more than four decades for the PLO to recognize Israel.

The violin is basically made of a wood box and four main strings.

The third of the four laws of post crisis consumerism is about durable living.

Santos has governed Colombia boldly and effectively for four years.

In paragraph (b), replace the words three years with the words four years.

After four years in detention, he was moved to an unknown location.