---What do you think of the book? ---________________ A I’m sorry. B it’s wonderful. C Guess what! D Thank you.
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.
While the boy ______ down the street, the UFO _____ .