GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 581457ZE8A7T1VSBA

New Zealand's breakaway landmass proved ____________ sanctuary for the tuatara, for the island lacked any terrestrial mammals that would dig up the tuatara's slowly maturing eggs or pick off adolescents before they had a chance to breed. A. a temporary B. an excellent C. an agreeable D. an endangered E. a complicated F. a difficult