On summer nights, the weather is usuallyhot at night in the south of China.— Yes, so I often go to sleep ______ the window________.

How do most old women exercise in the neighborhood–________dancing in the square together.

Of all the books on the shelf, is of any use for improving our practical skills of survival in the competitive world.

He recommended that she ______and see the film.

Nowhere else in the world ________ such a quiet，beautiful place