He is one of the most excellent students in our class, and he always himself in his studies.
A. buries
B. hides
C. covers
D. leaves
网友回答
(答案→)A. buries
B. hides
C. covers
D. leaves
解析：考查动词辨析，A. buries沉溺于B. hides隐藏C. covers覆盖D. leaves离开，固定词组bury oneself in sth意思“沉溺于某物”，句意“他是我们班最优秀的学生，他总是沉溺于学习”