Choose a, b, c, or d that best completes each unfinished sentence:

The quiet country roads are ideal for cycling.

The term whitewater refers  _________________ the burbling foam created when fast-moving water spills over and around rocks or other obstacles.

Despite the disappearance of the Mayan Empire, there are still Mayans the region that they once inhabited.

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

It is becoming extremely difficult to grow enough to feed the world’s rapidly increasing population.

He knows to repair the carburetor without taking e whole car apart.

Choose the correct answer to complete the sentence. "The ________ sights in Sa Pa, Mui Ne and Ha Noi all contribute to the country's magic charm."

The Mediterranean, a large sea surrounded by land, is a mile depth the average and more than 2.000 mile

The National Basketball Association will not let any athlete to continue playing league unless he submits volunteer to treatment for drug addic.

There are different ways of comparing the economy one nation with those of another.

The professor is thinking to go to the conference on conservation next month

The teacher’s explanation was so …………. that very few students understood it. 

The average cat sleeps sixteen hours for a day short interval called ‘cat naps'.

Mary: “How would you like to play golf tomorrow?” 

      Jenny: “_____________” 

We had to turn .......  their invitation to lunch as we had a previous appointment.

The issues learned during the early stages of the project causing researchers to initiate additional (research

Choose the correct answer to complete the sentence. "The government's intervention in the strike has been widely ______"

Marie Curie, a famous Polish physician, won he Nobel Prize when she discovered the radioactive metal Radium and Polonium.

The most common  form of treatment it is mass inoculation and lorination of water sourc.

If project is finished on time, the federal government won’t award the company fur contracts

There is an inflation. The prices  ..........