During the deck repair,（） should be measured firstly before tail shaft is drawn out.
The purpose of engine stand-by is that （）
It is very necessary that each cylinder （） before the charged air is compressed.
What technology of IBM is used to diagnose hardware errors before they occur？ （）
A precaution you should take before bunkering is to （） .
A rope ladder with wooden rungs is a（）.
It is very important that each cylinder should be （） scavenged before the charged air is compressed.
The crankshaft deflection is at first to be （） before and after repair.
Before the sludge in a purifier is ejected,（）
Before the oily water is installed on board ships, it must have （）
Before any machinery is put in operation，you should（）.
--- So what is the procedure?--- All the applicants ______ before a final decision is made by the authority.
Why is Lucy eating less than before?
Christmas Eve is the the evening before Christmas Day
Is ______ necessary to complete the design before the National Day？
What must she do before the house is sold out?
This is the very house my grandpa lived before his death in 2017（）
Li: Hello. I&39;m ringing about the flat advertised in today&39;s STAR. （）？ Mrs. Green: Yes, it is. Two or three people have rung up about it, but nobody&39;s been to see it yet.
Which of the following is not supposed to do before taking an intervew？（)
A scientific discovery is often made long before someone is able to put it to（).
The Hammurabi Code ensured that every one is equal before the law.（)
The sense relationship between "before" and "after" is______.
—So what is the procedure —All the applicants ________ before a final decision is made by the author—So what is the procedure —All the applicants ________ before a final decision is made by the authority.（）
