Question

【题目】— Jack works very hard, but he can't get good grades in exams.— That's because he can't study _______.
A.carefully
B.successfully
C.wisely
D.quickly

Answer 1

【答案】C
【解析】句意：—杰克工作非常努力, 但是在考试中他不能取得好成绩。—那时因为他没有明智地学习。A. carefully 认真地； B. successfully成功地； C. wisely明智地； D. quickly快地。所以答案是：C。