Some changes happen only once in a while, like _________.
举一反三
- Some students spend half an hour each day practicing listening, while others may only practice listening once a week, and still others may take like one to two hours. According to Lucky, which method is better?
- Some of them like football , while others like basketball.
- Some young people like pop music, while still others like music.
- If you happen to ________ my lost papers while you’re looking for your book, please let me know at once by telephone.
- Letters， to some degree， are like a small piece of history that can be read more than once， savored and treasured.（ ）