Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles .

Tucked away in the mountains of Bolivia and Peru, Lake Titicaca are the highest navigable lake in the world.

Believed that Jack had got home safely, we felt relieved.

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

__________ he wasn't ready in time, we went without him.

Canada is made up of ten provinces and two territories, with governmental powers being divided between the federal government or the provinces.

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

You must_________ that your safety belt is fastened.

The two kilograms of drugs which the police have seized is only the tip of the iceberg. They fear that far more are being smuggled and distributed.

In 1977, Kathleen Battle was hired by the New York Metropolitan Opera, where her became the star soprano.

Choose the best option to complete the sentences: Hung is best known as the _______ of a long-running TV series.

Despite the disappearance of the Mayan Empire, there are still Mayans in the region that they once inhabited

Some of plants in this store require very little care, but this one needs much more sunlight than those.

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

__________ I have time, I will go with you.

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

If he came here today, we (feel) _______________ happier.

Each of the nurse report to the operating room when his or her name is called.

The bold way in which Margaret Mead defined the terms “family” – based as much on choice as on biological relationship – is possibly the most enduring of her legacies.

Jobs which are highly paid in some countries are badly paid in other.

Tea did not become popular in Europe until the mid 17th century when it has been first imported to England and Holland.

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

The church _________ about 100 years ago.

I’ll make some sandwiches before I’ll leave for the office in the morning.

Smoking cause millions of early deaths in the world every year.

In the United State, the Cabinet consist of a group of advisers, each of whom is chosen by the President to head an executive department of the government.