During the Second World War, once before, the U-boats had been _____ because of air attack.
—You are always full of _______.Can you tell me the secret? —Taking plenty of exercise every day.
The practice of hanging clothes across the street is a common_____in many parts of the city.
I can’t say which wine is best—it’s a(n) _______ of personal taste.
My morning _______includes jogging in the park and reading newspapers over breakfast.
To save some of the human languages before they are forgotten, the students in our school started a discussion “Save Our ________”