With above 20,000 species, the world’s population of ants has continued to increase even as other animal populations have declined.

Find the mistake: We must stop (A) discrimination on (B) people coming from (C) the rural area (D).

Trees are designed as neither hardwoods or softwoods.

Choose the best word or phrase to complete the following sentences:

. Nga: “You look nervous! – Hoa: “This thunder scares me to death. 

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

If she ______________rich, she would travel around the world.

Sunrise _________ in the early morning hours.

Some conifers, that are tree that have cones, are able to thrive on poor, thin soil.

The central purpose of management is for making every action or decision helping achieve a carefully chosen goal.

Wealthy people have always desired and wear precious stones because their beauty is lasting.

Marta being chosen as the most outstanding student of her campus made her parents very happy.

Both a term paper and a final exam is often required for a college class.

Salt was once too scarce and precious that it was used as money

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

There are lots of amused ways to volunteer in the arts such as teaching, designing, and assisting with a variety of arts and crafts.

Choose the best option to complete the following sentences:

Lan used to (play)_____________ with toys when she (be)_____________ three.

After George had returned to his house, he was reading a book.

Mutualism is a relationship between animal species which in both benefit.

Pigeons, like many migratory birds, read the positions of the Sun and stars in order to orient them.

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

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

The teacher taught her students to look careful to the left and the right at least three times before crossing the highway. 

Choose the best answer: 
At least 11 people were killed when a four-storey building in the earhquake.