He would keep in touch with us wherever he was.
他无论在什么地方,总是与我们保持联系。
Here's a five-pound note-- you can keep the change.
这是五镑的钞票－－零钱不用找了。
Progress is slow but we keep battling on.
进展虽慢
Where do you keep the detergent?
你把清洁剂放在哪儿了？
It is easy to open a shop but hard to keep it.
开店容易经营难。
Once you make a promise, you should keep it.
一旦做出承诺