问题
选择题
________ you promise to buy her a present, you can't break it in any case.[ ]
A．As soon as
B．Until
C．That
D．Once
答案
答案：D
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________ you promise to buy her a present, you can't break it in any case.[ ]
A．As soon as
B．Until
C．That
D．Once
答案：D