题目内容
There are usually _____ days in February.
A. twenty-eight B. twenty-nine C. thirty D. thirty-one
A 【解析】句意：二月通常有二十八天。A. twenty-eight二十八；B. twenty-nine二十九；C. thirty三十；D. thirty-one三十一。结合句意和语境可知选A。
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题目内容
There are usually _____ days in February.
A. twenty-eight B. twenty-nine C. thirty D. thirty-one
A 【解析】句意：二月通常有二十八天。A. twenty-eight二十八；B. twenty-nine二十九；C. thirty三十；D. thirty-one三十一。结合句意和语境可知选A。