【题目】He is the most excellent student in our class, and he always ______ himself in his studies.
A. buries B. hides
C. covers D. leaves
在线课程【答案】A
【解析】
考查动词。A. buries掩埋；B. hides躲藏；C. covers覆盖；D. leaves离开。句意：他是我们班最优秀的学生，他总是埋头苦读。结合句意句子用一般现在时态，主语是单数第三人称he，故选A。