— Whose notebook is this? — It could be ______.She studies French.
Your daughter would ______ a famous singer---she has a great gift for music.
The younger policeman was leaning ______ the wall with his arms folded when he heard someone for help.
One of the tourists ______ from the tour group. That was why the tour guide lost his temper.
______ we talk to each other, I feel happy.
The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.