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.
The little boy is afraid of in thehouse..
Davy ________ his homework at home yesterday.
All the fruit is free. You can eat ________.
Mom, could you buy me a new jacket? This one can’t ________ the cold.
If you don’t know ________ the new robot toy, you’d better read the instructions first.