Question

【题目】The scientist knew nothing about the matter, because he was always ______ himself in his study.

burying

devoting

focusing

concentrating

Answer 1

【答案】A

【解析】本题句意应为“这位科学家对此事一无所知，因为他埋头于自己的研究中”。表示专心于用bury oneself in……。