The government must take ............. action against environmental pollution.

Identify the error in each sentence: It is important that you turned off the heater every morning before you leave for class

Before bridge was built, all transport across major rivers in the area were by ferryboat.

The firstly naval battle of the Revolutionary War was fought off the coast of Machias, Maine, in June 1775.

The artist tried stimulate interest in painting by taking his students to the museums.

The Joshua tree is marked by their sword shaped leaves and greenish white flowers.

She promise that she will come, but in fact she doesn’t.

After talking in Copenhagen yesterday, the secretary of state returning to Washington.

It is estimated that at least a million meteors have hit the Earth’s land surface, that is only 25 percentage of the planet.

The basic law of addition, subtraction, multiplication and division are taught to all elementary school students.

 They _______ been learning English for two years.

 Media reports on the outcome of military intervention often................. the true facts.

Choose the best answer:

He asked .......... my ticket and when I wasn’t able .......it, he made me ...... another.

Although the social sciences different a great deal from one another they share a common interest in human relationships.

Some birds can travel at speeds approaching one hundred miles an hour, and a few land animals can so.

In the beginning, radios cost much more than they do today because they turned out slowly and expensively by hand.

Thompson controlled the ball the best, kicked the ball the farthest, and ran the faster of all the players.

A nature reserve  .............  from a natural park usually in being smaller and having its sole purpose as the protection of nature.

The manufacture and production of steel is one of the industries on which the country prosperity was found.

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

There are lots of other situations in life when it is vital to be able to make ................  promises.