— Mum, I haven’t seen Dad for four days.— Oh, he’s busy with a new project. You know, his work ________.
The building has ______ floors and our classroom is on the ______ floor.
Go straight until you see a museum ______ your left.
______ clean the classroom is! Who cleaned it?01
There are many ways ______ the festival. Which one do you like?
We don’t know her. She is a ______ to us.