_____ into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.
Tom: My brother will be surprised when he opens this package I’m sending.Jack: Why are you sending him a package?Tom: __________.
Both the man and his horse ________ after the long ride.
When you ______ the book please return it to the library on time.
——You look so worn-out!——I lay ________ all the night.
Joe: Why don't you tell me a few things about your country?Ken: __________