Nutritionists recommend that foods from each of the four basic groups be eaten on a regularly daily basis.

Bill was about average in performance in comparison with other students in his class.

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

Science  and technology are part of the knowledges of educated people

Her application for a visa was turned down not only because it was incomplete and incorrectly filled out but also because it was written in pencil

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

Last year the potato harvest was very disappointing, but this year it looks as though we shall have a better_________.

A number of the Pacific Islands are volcanoes that have pushed up from the ocean floor, the others are the tops sunken mountain ranges.

Bronze, after being heated by a strong flame, will change color, especially when exposure to hydrogen

As a pure white sugar, Dextrose used mainly in candy, baked goods, and canned goods.

For the past five years, Iceland has been in the first rank of educational achievement and ____ in women's economic conditions.

A large percent  of Canadian export business is with the United States.

If I were offered the job, I think I ____________ it.

Most of the magnesium used in the United States comes from the sea water.

Although usual living on or under rocks or on coral reefs, marine snails have been observed in a great various of habitats

Before she moved here, Arlane had been the president of the organization since four years.

Because it is a healthy way to exercise, aerobic dancing is considered as an excellent method for release tension

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

We saw many beautiful birds__________ in the lake.

Chọn từ hoặc cụm từ gạch chân (A, B, C hoặc D) được sử dụng chưa đúng.

Mr. Mathew (A) told to Mr. Hoan (B) that he was (C) going to have a picnic (D) the next week.

Choose the best answer:

____________ is the Great Wall? It’s between 5 and 13 meters high.

Choose the best answer:

This house is very nice. Has it got                          garden?

 My mother told me she _______ very tired since she came back from a visit to our grandparents.