---Do you know ________?
---Sorry, but if he ________ back, I ________ you know as soon as possible.
---Which is the smallest number of the four?
---________.
---Hello!Is that Ann speaking?
---Sorry.________ Kate speaking.
---Must I return the book tomorrow?
---No,you______.
---Who taught you_____?
---Myself.
---Why do you like collecting coins?
---Well, I can learn ______ about different things.
---What do you love doing?
---I love singing and ______.