用英語怎么表達(dá)正確

　　If Casey is correct, the total cost of the cleanup would come to$ 110 billion.

　　如果凱西是對(duì)的，清理的總花費(fèi)將達(dá)1,100億美元。

　　These prices are correct at the time of going to press.

　　這些價(jià)格在付印時(shí)是準(zhǔn)確無誤的。

　　I think you've made the correct decision.

　　我認(rèn)為你的決定是正確的。

　　Do you have the correct time?

　　你的表走得準(zhǔn)嗎？

　　What's the correct way to shut the machine down?

　　這臺(tái)機(jī)器該怎么關(guān)呢？