问题
选择题
Han Wen says that listening is __________ difficult if people speak too fast. [ ]
A. some time
B. sometime
C. sometimes
D. some times
答案
答案：C
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Han Wen says that listening is __________ difficult if people speak too fast. [ ]
A. some time
B. sometime
C. sometimes
D. some times
答案：C
