问题
选择题
It is not ____ for me to return all the books to the library now because I still need them. [ ]
A. mature
B. convenient
C. available
D. tight
答案
答案：B
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It is not ____ for me to return all the books to the library now because I still need them. [ ]
A. mature
B. convenient
C. available
D. tight
答案：B