关于if the句子10句？

1.Contact your doctor if the cough persists.

如果持续咳嗽，就与医生联系。

2.We will contact you again if the need arises.

如果有必要，我们会再次和你联系。

3.Civil war could come if the country breaks up.

如果国家分裂,内战就会来临。

4.Files can be lost if the system suddenly crashes.

要是计算机系统突然崩溃，文件就可能丢失。

5.If the job's that good, you'll have stacks of money.

如果那份工作真那么好，你就会有成堆的钱。

6.If the muscle is stretched again it could even tear.

这块肌肉再受到拉伸的话，它甚至可能会拉伤。

7.If the car needs cleaning, what are you waiting for?

如果这辆汽车需要清洗，你还在等什么呢？

8.They threatened to sue if the work was not completed.

他们威胁说，如果不完成工作，就要提起诉讼。

9.Only time will tell if the treatment has been successful.

只有时间才能证明这种疗法是否成功。

10.If the firm cannot sell its products, it will go bankrupt.

如果这家公司无法销售其产品，它将面临破产。

11.The bill might have gone through if the economy was growing.

如果经济保持增长的话，那个议案或许已经获得通过了。