Booklet Page 19 : Link to Language 2 . Complete the passage by choosing the correct form of the verb . A volcano is a mountain whose base is located below the earth ' s surface . The inside of a volcano is full of hot liquid rock . Volcanic eruptions ( l ) (^ re caused ) cause when the inside of the earth moves . An active volcano is a volcano that might erupt . There are about 2 , 500 active volcanoes which ( 2 ) arefound / f ind throughout the world . Many of these volcanoes are located in the Pacific Ocean in an area called the "Ring of Fire . " Volcanic eruptions are dangerous . On May 1 8 , 1980 , a volcano erupted in the United States . Fifty-eight people were killed and over one billion dollars in damage ( 3 ) was caused I cause . In 1992 , a volcano erupted in the Philippines , causing 342 deaths . More than 250 , 000 people ( 4 ) evacuated I were evacuated from their homes . Sometimes volcanic eruptions also ( 5 ) do I are done good things to the environment . When a volcano e...
إلى الكتاب