Pleasant music is often played ________classes to make students refreshed and relaxed for a while.

Nereus lived beneath the sea with his fifty lovely daughters, _______ the most famous were Amphritrite, Thetis, Galatea and Panope .

The Hengxin Square is located in ____________ used to be our canteen.

You’ll find it hard to get rid of the drughabit you have it.

It is clear that in modern societyhigh _______ and demands are placed on students.