题目内容
从所给的四个选项中选择最佳答案
______we ______ the work by this Friday, we won't be able to help with the experiment.
[
]A
.If, shall finish B.Unless, finishC
.Unless, will finish D.If, finish
答案:B
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题目内容
从所给的四个选项中选择最佳答案
______we ______ the work by this Friday, we won't be able to help with the experiment.
[
]A
.If, shall finish B.Unless, finishC
.Unless, will finish D.If, finish