He would keep in touch with us wherever he was.

　　他無論在什么地方,總是與我們保持聯系。

　　Here's a five-pound note-- you can keep the change.

　　這是五鎊的鈔票－－零錢不用找了。

　　Progress is slow but we keep battling on.

　　進展雖慢

　　Where do you keep the detergent?

　　你把清潔劑放在哪兒了？

　　It is easy to open a shop but hard to keep it.

　　開店容易經營難。

　　Once you make a promise, you should keep it.

　　一旦做出承諾