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埋葬，埋头B. hides躲避，C. covers覆盖，D. leaves离开，bury onself in （doing） sth,埋头于，句意是;他是我们班最优秀的学生，总是埋头学习。选A.