— I am afraid that a ghost is behind the tree!—______! There is no ghost in the world.
It’s a very______street. You can see many cars and buses come and go.
---I’m always afraid of giving a speech in front of the class. ---You can do it well.
I haven’t decided _________ these books yet.
Nobody except Tom and Millie ____ that park before. Only they can be our guides.
---When will the plane ___________? --- In an hour.