—what do you think of Bill? —He is a hard-working student and he always himself in study.A

问题补充：

—what do you think of Bill?

—He is a hard-working student and he always himself in study.

A. spends

B. takes

C. buries

D. costs

答案：

A. spends

B. takes

(答案→)C. buries

D. costs

解析：本题考查动词。bury oneself in“埋头于…...。句意：——你认为比尔怎么样？——他是个勤奋的学生，他总是埋头于学习。