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Thereareusually(通常)daysinFebruary.[]A.thirty-oneB.twenty-nineC.thirtyD.twenty-eight

题目详情
There are usually (通常) ________ days in February.
[     ]
A. thirty-one
B. twenty-nine  
C. thirty
D. twenty-eight
▼优质解答
答案和解析
D