--- This dress was last year's style.--- I think it still looks perfect ________ it has gone out this year.
___ years ago, the population of China was over 20 million.
My father shows me how _____ a camera.
As soon as I know it, I’ll _____ you ______.
---My prize is different from ______. ---But _____ is the same as mine.
Jane likes singing.We often hear her ______ after class.