— Mike, what did our monitor say just now?—Every student as well as teachers who are to visit the museum _____ asked to be at the school gate before 6:30 in the morning.
If you don’t pay your electricity bill, it will be _______.
---We’d like a double room with a view , please. ---I’m sorry, but all double rooms with a sea view _____________already.
---Fish need water to survive; _____ , we human beings rely on air to live.
____time goes by, Mother’s hair is turning gray and the wrinkles on her face deeper.
Nowadays, there is a ____ that receiving education is a waste of time.