There has been a(n)____of sadness in the small town since a boy was drowned in the river.
He is wearing sunglasses to __________ his eyes from the strong sunlight.
The policemen are searching _____ every house _____ the thief.
. The book, _______ is blue, is mine.
Paul didn’t want to put on the coat. He said that he _________ by his friends.
Philips openly admitted __________ an alcohol (酒精) problem and he was not admitted __________ the drivers’ club.