The new employees were very slow to _______ the unusual rules ofthe company.

The science of computer,____ rapid progress has been made, is the most important of all.

Is there any room in the ship?– YesWe can probably _____ a few more people into it

Before the sales start, I make a list of _____ my kids will need for the coming season. [ ]

The shop owner suddenly stopped talking with his mouth ________ like a big “O”. It was the President Xi Jinping.