I thought Jim would say something about his school report,but he ______ it.
The island where these rare birds nest has been declared a _________area.
As the proverb ____, an enemy in disguise is a wolf in sheep’s ____.
After the quarrel, I tried all my best to fix the misunderstanding between us, but all my efforts seemed .
This is a(n) __________ arrangement, not a permanent one.
When the boy playing by the river fell into the river, I was out of the room _______.