You should have blended the buffer with the sugar thoroughly.

单选题

You should have been more patient ____ that customer（）

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单选题

If you have high blood pressure, you should _____ eating too much salt.

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单选题

You should have put the milk into the ice box, I expect it ____undrinkable by now.

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单选题

If you have the __to get a better job, you should Take it.

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单选题

In judging our work you should take into consideration the fact that we have been very busy recently.

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