China supplies more than 90 percent of the world’s rare earth metals, but its reserves only ________ about one-third of the world’s total.

There ____ a sports meet in our school. I will take part in the long jump.

Liu Mei wants ____ a doctor when she grows up. 

I often see the girls ________ in the room. They are very pleased.

------Look at the old women on the square. How happily they are dancing! ------Yes. But they  _____ stay at home alone or watch TV.