问题
选择题
When we practice _____ English, we often end up _____ in Chinese. [ ]
A. speak, to speak
B. spoken, speak
C. speaking, speaking
D. to speak, speak
答案
答案：C
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When we practice _____ English, we often end up _____ in Chinese. [ ]
A. speak, to speak
B. spoken, speak
C. speaking, speaking
D. to speak, speak
答案：C