________ students in the classroom ______ twenty. The others are in the library.
How dirty your rooms are! You need to ___________.
_________ her mother, she became a famous scientist.
The dog had _____ serious toothache so its owner took it to _____ animal doctor.
I _______ in London, but now I live in New Yorker.
My friend Jack lives ______ but he doesn’t feel _______ at all.