There is a real possibility that these animals could be frightened, a sudden loud noise.
The mother often tells her son to be a good boy, warning him to _____ trouble.
This heavy rain made______ impossible_______ us to complete the task on time.
It____ ten years ______ I graduated from university.
--Your father is sleeping. Don’t ______, will you? --No, I won’t.
______ it is to have a cold drink after an _______ game!