题目内容
Children wake up very early ____ the morning of Christmas Day.A.in | B.on | C.for | D.at |
B解析:
在具体的某一天的早上用介词on
在具体的某一天的早上用介词on
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题目内容
Children wake up very early ____ the morning of Christmas Day.A.in | B.on | C.for | D.at |