问题补充:
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
答案:
(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.