Hello dear students! We prepared the test to give you opportunity to check ones' grammar by yourselves. Before preparing the TOEFL iBT, you had…

1.    Reference | (D) Q. The phrase His  source  in the passage refers to Why?  … it has been estimated that the  oceans  could provide nearly 3,00…

Passage 1 Energy from the Waves The quest for sustainable sources of energy has led humans to study the energy potential of the sun and the wind, a…