Choose the word or phrase among A, B, Cor D that best fits the blank space :
For most of their time in orbit, astronauts are fully  ……….with repairs and scientific experiments.

The midnight sun is a phenomenon in which the Sun visible remains in the sky twenty-four hours or longer

One of the greatest of mountains climbers, Carl Blaurock was firstto climb all of the mountains higher than 14,000 feet the United States.

Even the most discriminating gourmet will agree that food in the south is as good as any other regions in country.

Having missed too many lessons _____________________________.

I would have gone with him to Washington except I had had time.

To make out the time, we booked a direct flight from California to New York.

I haven’t decided yet about either to buy a car or second-hand one.

Scuba diving is usually carried out in the ocean in that people can explore underwater world.

John said that if he  .............. rich, he  ................  a lot.

The early periods of aviation in the United States was marked by exhibition flights made by individual fliers or by teams of performers country fairs.

That it is believed that most of the earthquakes in the word occur near youngest mountain ranges – the Himalayas, the Andes, and the Sierra Nevada.

Because oak trees are highly resistant of storm damage, they usually live long time.

He refused ____me at the airport.

Even smallest pulley can be done stronger by adding wheels to its system to create leverage

In the United States, about 75 percent of the total tomatoes crop is processed juice, caned tomatoes, sauces, pastes, and ketchup.

Because not food is as nutritious for a baby as its mother’s milk, many women are returning practice of breast feeding.

Mary found it hard to concentrate on her work because noise

The fossil remains of much extinct mammals have found in the tarpits at Rancho La Brea Los Angeles

Bacteria lived in soil play a vital role in recycling the Carbon and Nitrogen needed by plants.

One of the beautiful botanical gardens in the United States is the wildly and lovely Magnolia Gardens near Charleston, South Carolina.