: Some volcanoes are always ( 1 ) . . . . . . . . . . . . . . . . They are called active volcanoes . Mount Etna in Italy is an active ( 2 ) Sorine volcanoes have not erupted since prehistoric times . These are ( 3 ) . . . . . . extinct volcanoes . Most of the Hawaiian Islands are extinct volcanoes . These volcanoes ( 4 ) . . . . . . . . . . . . . . have a hot spot under them . They ( 5 ) . . . . . . . . . . . . . . . erupt anymore . . Some volcanoes have not erupted for a long time , ( 6 ) . . . . . . . . . . . they could erupt again . These are called dormant volcanoes . Scientists try to figure out ( 7 ) . . . . . . . . . . . . volcanoes will erupt . Studying volcanoes is hard and dangerous work . Scientists drill into volcanoes . They ( 8 ) . maps of the inside of the volcanoes . They use satellites to study volcanoes ( 9 ) . . . . . … . . . . . space . Scientists have been able to predict . a few eruptions . But it is not ( 10 ) . . … . . . to tell what a volcano might do . 1 . A . erupting B . running C . going. D . firing 2 . A . mountain B . volcano C river D . hill 3 . A . named B . thought C . called D . said 4 . A . any longer B . any more C . not more D. No longer 5 . A . won ' t B . cannot C . should not D . may not 6 . A . and B . or C . but D. so 7 , A . where B . why C . that D. when 8 . A . do B . create C . build D. make 9 . A . in B . from C.into D. out of 10 . A . easy B . difficult C . able D. good