It is not until you have lost your health ________ you know its value.

单选题

It is not until you have lost your health ________ you know its value.

答案解析

单选题

It is not until you have lost your health _________you know its value.

答案解析

单选题

It is important to ask for__ if you do not Understand what the problem is.

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问答题

Fill in the blanks without referring to the original text. Then check your answers against the original. After that, read the passage aloud until you can say it from memory.Last but not?(1), have you ever heard the term to make a New Years(2)?? It is something that Americans and Europeans?(3)??to do in the coming year, usually involving giving up bad?(4)??(e.g. giving up smoking or?(5)??too much).

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单选题

If you do not safety the door it is possible that strong winds will cause damage to the structure.

答案解析