______ with a difficult situation, Amold decided to ask his boss for advice.
Once there was ______time _____people walked without shoes.
________ came that another spaceship Shenzhou VII was successfully lifted off in our couvtry.
________ their son away to college, the couple got more room in the house.
Just _________ I don’t complain, people think that I am satisfied.
—More than fifty students competed _______each other in the composition competition. —But they could only compete _______three medals.