Remember that you wont be able to cancel the contract youve signed. A. beforeB. untilC.

发布时间：2020-08-17 12:33:41

Remember that you won't be able to cancel the contract     you've signed.
A. before
B. until
C. once
D. though

网友回答

A. before
B. until
(答案→)C. once
D. though
解析： 句意:一旦签署了合同,你一定记住不能撤消。once用作从属连词，表示 “一旦……就……。
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