His parents demanded that he ___________ to see them once a week.

ng Xiaoping was our general designerof reform and opening up to the outside world. After he passed away, his ____were scatteredover the sea.

Do you know if he _____ to the movies tonight—-I think he will go if he ____ free.

The expression ____ means “在20世纪50年代”.

What’s the weather like here this summer —There _______ very little rain.