Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

Hoa is excited about the (21) _____ activities she is going to do. The Y&Y is having a plan (22)______ the community. She’ll (23) _____ in its recycling program. In joining this program, she’ll collect (24) _____ paper, glass and empty cans. Then she will send them for recycling. 
She hopes that she could save natural resources and earn some money for her school Y&Y in these (25)______ . She also thinks about participating in (26)_____ planting trees and flowers or helping    the street children. 
(22)........ 

We chose to take a trip to the Far East because it was advertised as adventurous and intrigued

Choose the word(s) CLOSEST in meaning to the following word(s). "furious"

Choose the best answer:

It is the first time _____.

There are no pouched animals in the United States but only the Opossum.

Select the synonym of the following bold and underlined word in each sentence

I leave the house at a quarter past five and arrive in the field at exactly 5.30.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

It___________ that learning a foreign language___________ a lot of time.

Marie ___________ the dream of a scientific career which seemed impossible for a woman at that time.

 Choose the sentence that has the same meaning as the original one by circling the corresponding letter A, B, C, or D. Mark your choice on the answer sheet.
Where was she born?

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

____________, he would have learned how to read.

hoose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Advances in computing___________, from processing speed to network capacity and the internet, have revolutionized the way scientists work.

There are none young single people living in this town – only old people and young families

The results of our marketing survey show that there will be quite a demand for electric cars in the ahead years

He wishes he ...... fly           

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

His roof was broken by a____________ wind two weeks ago.

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

Our aim is to make the performing arts, museums, and our __________ accessible to all.

She is interested in ________ a book store.

Completes each sentence by circling the letter (A, B, C, or D).

 Don’t read that book. It’s................

Choose the correct answer. "____________ on the allergen, this response may involve inflammation, sneezing, or a host of other symptoms."

Nam suggested …… showers  instead of baths to save water