【2014湖北咸宁】—Food safety is very important.—So some rules ______ to stop people from polluting food.
It’s important ______us to learn English well.
Liu Lei is ________better at Chinese than Liu Ying.
Eating more vegetables ______good for your health.
Lucy ________comes to school on time. She _______ comes late.
Mr. Smith often goes fishing _______ his free time.