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1. If he hadn’t wasted too much time, he wouldn’t have failed in his examination.

@  Unless………………………………………………………………………

2. Rita is exhausted today because she didn’t get any sleep last night.

@  ……………………………………………………………………………

3. The flats are not clearly numbered, so it is very difficult to find anyone.

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1. They don’t find out the remedy. The patient will die.

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