问题
选择题
If you have a good chance ______ English with a foreigner, catch it! [ ]
A. to practice speak
B. to practice speaking
C. practice speaking
D. to practice to speak
答案
答案：B
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If you have a good chance ______ English with a foreigner, catch it! [ ]
A. to practice speak
B. to practice speaking
C. practice speaking
D. to practice to speak
答案：B