问题
选择题
It is difficult _______ the book in one day. It is so thick. [ ]
A. to finish to read
B. to finish reading
C. finishing reading
D. finishing to read
答案
答案：B
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It is difficult _______ the book in one day. It is so thick. [ ]
A. to finish to read
B. to finish reading
C. finishing reading
D. finishing to read
答案：B