-Why are there a lot of dead fish in the river?-Because they were ______ by the polluted water.
I have a friend and my friend is ________ China.
---How ________ your sister? --- She is fine.
--- Thank you ________ your great help. --- You are ________.
--- ________ your phone number? --- It’s 8766-7895.
---What color ________ your bikes? ---____brown.