Alcohol can damage the liver and do great harm if in Large quantities.

By the year of 2053 there will be 487 million aged people in China， means that one third of the population will be over 60.

His father _____ to Nanjing. He _____ back next week.

He usually goes to school ____ bike, but sometimes he _____a taxi to school.

in the fields on a March afternoon, he could feel the warmth of spring.