（）using the derrick at once, the gosseneck is bent.
Each lifeboat must be lowered and maneuvered in the water at least once every（）.
The needle valve in the injector （） at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.
It was demanded that the injured crewmembers（）at once.
If there are （） in the repair work, please come to our duty engineer at once.
Topping wires fix the height of the derricks and （） to the deck may be used to prevent fore and aft movement.
（）in the leg, the soldier was sent to hospital at once.
He never（）to read the news but turned at once to the crossword puzzle on the last page.
Which utility is used to configure the WebSEAL Server once the files are installed?（）
Once a vessel has loaded packaged hazardous cargo，the cargo spaces shall be inspected. The spaces shall also be inspected at least once in every 24 hours. The only exception to daily inspection is when（）.
You____pay the money, but you____do so at once.
Jiang Ziya ( 姜子牙 ) once used the idiom “ 一败如水 ” to suggest his relationship with his wife.
It is necessary that the meeting _____ at once.
Wei Zheng ( 魏征 ) once used the idiom “ 水到渠成 ” to remind Li Shimin ( 李世民 ) of the collective power of ordinary people.
4.Once your time at the company is up, you should leave without ____ .
16：What do you think Mr. Kelly will do at once after the conversation？
In the case of loans, the whole amount advanced is at once credited to the customer ’s ___.
Their idea was to get us to______the strike at once.
_______ we have all the material ready,we should begin the new task at once.
Once you can't see any use out of the word you take at random, ______.
The style. of "Visitors would make their way at once to the upper floor by way of the staircase." is______.
To ensure the normal running of the device, the air filters should be cleaned at least once every()days.
_______ of danger, he jumped into the into all at once（）
All at once the wall fell down before the public.（）
