AIDS can be transmitted by practicing unsafe sex and receive tainted blood from one who is already infected.

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

If I feel hungry in the afternoon, I _________ snacks like fresh carrots.

Most bats roost in crevices, caves, or building by day and are active at night or twilight

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

The biologist found some pollutants, a little of which can be considered very harmful to fish and other living organisms in the river.

However types of raw materials are used in making paper, the process is essentially the same.

Chia động từ trong ngoặc cho phù hợp để hoàn thành các câu sau.

Look! The dogs (run) _______________ after Nghia over there.

The intent of the Historical Society is to restore old buildings and the increase of interest in the history of the area.

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

He ________ in London at the moment

Without any hesitation, he did a decision not to take the course.

Ancient people used pot for cooking, storing food, and carrying things from place to place.

From the airplane, passengers are able to clearly see the outline of the whole island.

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

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

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

My car broke down on the way. ________, when I got to the airport the plane had taken off .

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

Minh had a terrible headache. __________, he went to school.

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

The lives of disadvantaged students are often very different for those of their more wealthy peers.

Rice is most important plant in Viet Nam.

Since it lives in the desert, the collared lizard depends from insects for water as well as for food.

He has been hoped for a raise for the last four months, but his boss is reluctant to give him one

Choose the best option A, B, C or D to make meaningful sentence: "Your sister would get the job if she ______ speak English and Chinese well."