On summer nights the weather is usually very hot. —Yes,so I often go to sleep ______ the windows ______.

r, happiness ________ helping thosein trouble.

In recent years much more emphasis has been put______ developing the students productive skills

What do you think of the _______ the MoonlightSonata by Beethoven— It sounds really wonderful

Theirhouse is _______ ours, but ours has a bigger garden.