问题
选择题
Be careful not to get punished. Father _______ his patience. [ ]
A. is running out
B. has used up
C. is running out of
D. is using up
答案
C
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Be careful not to get punished. Father _______ his patience. [ ]
A. is running out
B. has used up
C. is running out of
D. is using up
C