---The books are so nice. Which one can I take?---Oh, you can take __________ of them. I’ll keep none.
Listen!Who is talking with my mother______the phone?
--_____is the post office ?--- Go straight and turn right.
----What are you ________? ---My new book . Please help me find them.
---____do you do? ---I am a doctor .
Let _____ help you.