What is going on is ..........   clear to Christian, and he is increasingly anxious.

Monkeys use their foot to eat food, to gesture, and to climb.

TÌm lỗi sai:
The film we saw last night was different from that I had expected.

In 1950, it was naively predicted that eight or ten computer  would be sufficient to handle all of the scientific and business needs in the United States.

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young.

Linda being chosen as the most outstanding student on her campus made her parents very happy.

She only reads books for___________.

Duke University in North Carolina has an outstanding collecting of documents concerning Southern history.

Identify the error in each sentence: 

There are also many single mothers and single fathers which are raising children by themselves.

I couldn’t believe my eyes. She ........ in that pink kimono.

Choose the best answer:

She ..................... smoking two months ago.

Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops.

Individuals with chronic liver disease is gravely at risk for premature death, heart seizures, strokes as well as hypertension, jaundice, and malnutrition.

Choose the best answer:

Would you like the doctor ...................?

It was Vitus Bering, the Danish sea captain, who discovered Alaska on its voyage to Russia in 1741.

 I have... great admiration for him. 

Choose the best answer:

We ..................... the UFOs yet.

In the sixteenth century, Francois Vieta, a French mathematician, used the vowels “a”, “b”, “c”, “d”, “e” to represent a unknown number.

Commercially honey is heated and filtered in order to stabilize and clarity it.

Find the mistake: Reading brings a variety of benefits because of readers can gain many lessons and much knowledge from books.

Identify the error in each sentence: 

My uncle has just bought some expensive furnitures for his new house