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1.The targets would not be achieved unless other departments showed equal commitment.
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2.Training is worthless unless there is proof that it works.
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3.The South African mailboat arrived on Friday mornings unless bad weather intervened.
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4. All bitches should be spayed unless being used for breeding.
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5. I tend to forget things unless I mark them down.
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可以给例子吗
追答We are going to the park unless it rains