My students are all quiet.Even after class, my students spend ___as they can playing outside.
As technology continues to advance,we must learn and adapt or we'll risk becoming a dinosaur.
Although China has developed its economy greatly, its per capital GDP is still one-tenth of the United States.
--What should I do? ---You should slow the bleeding by pressure to the wound until the police and ambulance arrive .
Some American women were the right to vote until 1920 after many years of hard struggle.
Public attitudes towards people with disabilities must be changed. The disabled more opportunities to develop their potential.