Freedom­loving young students dislike being restricted by rules, especially ________ which are “outdated” in their eyes.

Both sides have accused of breaking the contract ___.

–I find Chinese people are helpful when traveling around China. –You’re right. I like ______ when people are friendly and helpful.

---What can I do for you?---I am looking for a birthday gift for my sister, _______at a proper price but fashionable.

 —Have you finished your work yet?—No, I’ll finish it in ________ fifteen minutes.