问题
选择题
| Don't keep your mouth _____ if you want to improve your _____ English. |
A. shutting; spoken B. shut; spoken C. shutting; speaking D. shut; speaking |
答案
答案：B
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| Don't keep your mouth _____ if you want to improve your _____ English. |
A. shutting; spoken B. shut; spoken C. shutting; speaking D. shut; speaking |
答案：B
收敛。