他抬起头，看见一只鸟飞过。

He looked ___up and saw a bird flying by.

油价最近上涨了不少。

The price of gas has gone ___up a lot recently.

请在你用完打印机后把它关掉。

Please turn off the printer after you're ___done with it.

教练问我们是否准备好比赛时，我们大声喊'Up！'

When the coach asked if we were ready for the game, we shouted '___Up!'

他在公司晋升很快，现在已经当上经理了。

He's climbing ___up the corporate ladder and just became a manager.