To save some of the human languages before they are forgot-ten, the students in our school starteda discussion “Save Our __________
Chen Xiexia is the first Chinese athlete ______ the gold medal in the Beijing Olympic Games.
______ many times, he finally understood it.
Going on a trip into ______ space must be quite ______ exciting experience.
— I need to advertise for a second-hand mountain bike.— _______?David just plans to sell his present one.
According to a report, cigarette smoking____ in all indoor public places in China already.