Từ loại động từ – Ngữ pháp toefl itp P2

The United States government program Head Start prepares children for school encourages the involvement of local communities in the children’s Development.

Geologists at the Hawaiian Volcano Observatory rely on a number of instruments to studying the volcanoes in Hawaii.

Ogden Nash often extended sentences over several lines produce surprising and comical rhymes.

Using carbon-dating techniques, archaeologists can determine the age of many ancient objects by measurement the amount of radioactive carbon they contain.

The changes that occur in the life cycle of a butterfly or moth are probable the most striking examples of metamorphosis.