Diamond, _________, is the hardest of all materials.
—Who are those with the flags? —A group________itself the League for Peace.
When I was you age, I dared to go out alone at night, ________ you?
Everything he ______ away from him before he returned to his home town.
—_____ Mr Smith ____ this week? — No. He is on holiday.
—Yangyang carried off the first winter Olympic _____ medal for China. —Great! What ____ she won for our motherland!