Identify the error in each sentence: A number (A) of large insurance companies has (B) their headquarters (C) in the capital city (D)

I shouldn't _________ so much coffee last night. I was wide awake till four in the morning.

In human beings, as in other mammal, hairs around the eyes, in ears and in the nose prevent dust, insects, and other matters from enter these organs.

Choose the best answer:
I don't believe what he has just said. It is.................

In the sixteenth century, Francois Vieta, a French mathematician, used the vowels “a”, “b”, “c”, “d”, “u” to represent a unknown number.

The Maelstrom is a swift  and danger current in the Arctic Ocean.

The world would look eerie different if human eyes were sensitive to infrared radiation.

Choose the best answer among A, B, C or D that best completes each sentence: The first draft resolution….. yesterday; it ……long before the beginning of the meeting.

My uncle _______ not eat fish. 

Choose the best answer:

They had made Bob ................Jane.

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

The field of Artificial Intelligence research was found at a workshop held on the campus of Dartmouth College during the summer of 1956.

Mars was flat, was believed by most people in the fifteenth century.

Vehicles also account _______ air pollution in the cities.

He picked ________ the book and turned page after page.

How can you put ________ your brother? e’s talkative and unreliable.

The worker bees choose one baby from the hive to become the new queen and then feed it royal jelly made for pollen and saliva.

Unlike competitive running race, race walkers must always keep some portion of their feet in contact with the ground.

Someone who has ever tried to pick up spilled Mercury will disagree that this element is hard to handle.

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

When actively hunting, a dolphin sends out transmitting about five signals every second.

 _    , you would have succeeded in this contest.