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

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

Several people were hurt in the accident but only one ________ to hospital.

Being the biggest expanse of brackish water in the world, the Baltic Sea is one of special interesting to scientists.

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

“You must come to my party.” She told me.

Choose the best answer: 
What do you usually wear _____ weekdays?

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

Despite of its general safety, acupuncture isn’t for everyone.

The library at the university is new and has taken her name from the wife of the first president of the university.

Today’s nuclear fission fuels are the remnants of which used to be a much more active mixture of radioactive and fissionable materials two billion years ago and earlier.

Some of the stiffest competitions the jackals face on the plains of Africa comes from vultures

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

__________ it rained heavily, they went to school on time.

Today successful farmers are experts not only in agriculture, but also in market, finance, and accounting

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

Workers who do not obey the safety regulations will be_________ immediately.

 The _____________of the family home following the divorce was a great shock to the children.

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

The policeman explained to us ________ to get to the airport.

Stephen Hopkins was a cultural and political leadership in colonial Rhode Island

The Joshua tree is marked by their sword shaped leaves and greenish white flowers.

Many theories on conserving the purity of water has been proposed but not one has been as widely accepted as this one.

George Washington, his portrait appears on the quarter coin and the dollar bill, served two terms as president.

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

My mother is a good ___________

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

Commercial letters of credit are often used to financing export trade, but they can have other uses.