If you cannot have a good mand of grammar as well as precise usage of each word you’ve learnt, it is for you to use English flexibly.
A. out of trouble
B. out of habit
C. out of the limit
D. out of question
网友回答
A. out of trouble
B. out of habit
(答案→)C. out of the limit
D. out of question
解析：考查介词短语辨析。A摆脱麻烦，脱离困境；B处于习惯；C不可能；越限；D没问题；句意：如果你不能掌握语法和你所学的单词的用法，对你来说灵活地使用英语就不可能的。根据句意说明C正确。