Identify the error in each sentence: 

Today the number (A) of people whom (B) enjoy winter sports is (C) almost double that (D) of twenty years ago.

There is a widespread belief that the economical situation will improve.

She must retyping the report before she hands it in to the director of financing.

Often a cough is caused by the contraction of one of the muscle group that cover the skull, thus causing spasm and pain.

It was suggested that Tom studied the document more thoroughly before attempting to pass the exam.

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

Choose the underlined part that needs correction.

When John (A) will see his head teacher (B) tomorrow, he (C) will ask her about her (D) absence in the appointment.

The columnist feels sure that who wins the election will have the support of both parties.

I cannot bear the noise of my brother's radio; it ________ me from reading my book.

We have rented two videos and watched them with some friends last night.

As a child grows on, its physical health is affected by many elements in the air, water and food.

Identify the error in each sentence: The water temperature in a spring depends on that of the soil through where the water flows

Choose the best answer among A, B, C or D that best completes each sentence: When I came, an experiment ….in the lab.

Of the four lectures, the first was by far the best, partly because t person who to delivered it had such a dynamic style.

This June, the FIFA World Cup will take place in Russia, a major sporting .............. which will stir the passion of millions of people around the world.

Choose the best answer:

The evening was spent ............................. 

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

Dinosaurs are traditionally modified as cold-blooded reptiles, but recent evidence based on eating habits, posture, and skeletal structural suggests some may have been warm-blooded.

Patients at highest  ..............  of complications can be detected based on artificial intelligence techniques.

Chemical compounds with Barium, Cobalt, and Strontium are responsible to many of the vivid colors in fireworks.

Most modern barns are both insulated, ventilated and equipped with electricity.