问题
选择题
____ the help of the teacher, Tom has made rapid progress ____ his studies. [ ]
A. For; at
B. Of; for
C. By; on
D. With; in
答案
答案：D
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____ the help of the teacher, Tom has made rapid progress ____ his studies. [ ]
A. For; at
B. Of; for
C. By; on
D. With; in
答案：D