Choose the best answer: 
The council had to cancel the football match because of the storm.

The more important theorem of all in plane geometry is the Pythagorean Theorem.

On October 24, 1975, more than 25 thousand women in Iceland took a day off to emphasize the importance of women's ____ to the economy, both in paid and unpaid work.

In the sixteenth century , Francois Vieta, a French mathematician, used the vowels “a”, “e”, “i”, “o”, “u” to represent a unknown number.

Chọn một từ đúng trong ngoặc để hoàn thành các câu sau:

He has been an engineer ___________ 15 years. 

Several people have apparent tried to change the man’s mind, but he refuses to listen

Materials that of clay are among the most ancient manufactured articles and have played a vital role in human civilization.

It’s been brought to my attention that there has been a number of thefts from the office.

To see the statue of Liberty and taking picture from the top of the Empire State Building are two reasons for visiting New York City.

Choose the best options

Mai: “How long are you going to study this subject?” Lan: “       ”.

Cotton fiber, like other vegetable fibers, are composed mostly of cellulose.

Concord used to be _______ passenger plane in the world

Choose the best answer On the occasion of the International Women’s Day 2018, the Committee on the                   of Discrimination against Women (CEDAW)

Many Civil War battles were fought in Virginia than in any other state.

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

Tom has a bike, __________ he always walks to work.

Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence: 

She asked me if I _________ a laptop computer the following day.

The first vaccine ever developed was used to combat and fight a smallpox, a disease resulting from infection by a virus.

As a poetry, Nikki Giovanni makes effective use of jazz and blues rhythms

The development of professional sports in the United Stated dates back to nineteenth century.

Usually the climate in mountainous areas becomes much windy at higher altitudes.

UNICEF is now ____ schools and families with educational supplies to help lower costs.