Choose the best answer to complete each of the following sentences: 

The bus collected us at 5 o’clock early ________ the morning.

Reducing the size of classes may improve _______ standards.

Most countries depend to few extent on cereal imports to augment their own crops

Chicago’s Sears Tower, now the taller building in the world, rises 1,522 feet from the ground to the top of its antenna.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

On the door of the house where Louis Braille was born are the words “He opened the door of _____ to all those who cannot see.

Choose the best answer:

A: ________________________________

B: The Statue of Liberty is older. It was built in 1886 and the Eiffel Tower wasn't built until 1889.

Unlike many writings of her time, she was not preoccupied with morality

On February 20th, 1962, “Friendship 7” orbiting the Earth in a manned flight that lasted just under five hours.

Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military operates, and transportation.

Today there is an unusually large amount of students in the class.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

_________ I am aware, this is the last talk on the topic.

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

This river is ................. than that river.

Engines used in space shuttles are much larger and more strong than the ones used in jet planes.

Cho dạng đúng của động từ trong ngoặc để hoàn thành các câu sau:

Unless she (study) _____________ hard, she won’t pass the exam.

Each year, people around the world spending billions of dollars buying merchandise on the Internet.

Medical research indicates that large amounts of Histamines can responsible for cold, high fever, and other respiratory reactions.

Choose the best answer:

Concord used to be _______ passenger plane in the world.

That the poverty action group was set up in the 1970s was a sign of public aware during that decade.

The basic elements of public-opinion research are interviewers, questionnaires, tabulating equipment, and to sample  population.

Sunrise _________ in the early morning hours.

They asked us, Henry and I, whether we thought that the statics had been presented fairly and accurately.