When scientists discovered how soap works, it became possible to do synthetic detergents out of Petroleum.

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

The house _________ since last week.          

It was in 1971 that transatlantic supersonic transportation became commercially availability

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

Jimmy keeps working in spite of he feeling unwell.

Choose the best answer: 
Technological advancements have turned AI and robotics from science fiction to.............. .

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

The number of student attending English courses at our university are increasing.

In a medical study of nearly 5.000 adults, half of them were given one aspirin a day and the other half given a placebo, it was found that those taking Aspirin suffered 38 percent fewer heart attacks than those who weren’t .

I only noticed we were running lowly on petrol after we had passed the last filling station.

Until Hollywood invented him, Leonardo DiCaprio was practically unknown

If you make a five-days trip across the Atlantic Ocean, your ship enters a different time zone everyday.

Although almost all insects have six legs, a immature insect may not have any

None two butterflies have exactly the same design on their wings.

Trees are designed as neither hardwoods or softwoods.

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

By the time he retires, he__________ $20,000.

The attribution of human characteristics to animals or inanimate objects appears in the mythologies of many cultures is a literacy device called anthropomorphism

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

Choose the best answer: 
“A hurricane is heading toward our home town.” - “................ ”

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

Nowadays women go out to work and become more _____________ than they used to.

Residents in some cities can call an electrical inspector to have the wiring in their house to be checked.

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.