(2013·高考湖北卷)According to the law，all foreigners have to________with the local police within two weeks of arrival.

It was a real race________time to get the project done.Luckily，we made it.(2013·新课标全国Ⅰ，34)

Seeing the big crowd coming towards him, he started to run down the hill，but____   and went down on his hands and knees in the melting snow.

(2013·北京西城区高三期末)Being more realistic，the elderly have learned to focus on things that make them happy and let go of ________ that don't.

—Do you have enough to        all your daily expenses?—Oh yes, enough and to spare.