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ItisnotformetoreturnallthebookstothelibrarynowbecauseIstillneedthem.[]A.matureB.convenientC.availableD.tight

题目详情
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
▼优质解答
答案和解析
B