_______ is known to all, Lu Xun was famous as a great thinker.
There he pointed to _____ looked like a stone and said that’s ______ you had to carry home.
Both teams were in hard training; _____ was willing to lose the game.
Tom’s mother always told him not to smoke again, but _____ didn’t help.
.Was it through Mary , ____ was working at a high school , _____ you get to know Tom ?
“Where is Mother.” “She is in the kitchen. She _______ the housework all morning.”