问题
选择题
—Jack, is maths difficult to learn in High school?
—Sure. No subject can be learned well __________hard work. [ ]
A. without
B. through
C. by
D. with
答案
答案：A
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—Jack, is maths difficult to learn in High school?
—Sure. No subject can be learned well __________hard work. [ ]
A. without
B. through
C. by
D. with
答案：A