I hate _____ when the light turns red and the people don’t move until it is about to turn green again.
Mother said that Mike could eat two of ten oranges and that the rest _______ left for Tom and Betty.
One-third of the country _____ covered with trees and the majority of the citizens _____ black people.
You look so young.Haven’t you graduated from your university? Yes, I _______ in the English Department of Zhejiang Normal University for four years.
All the scientific evidence ______ that increasing use of chemicals in farming______damaging our health.
It is required that the students _____ mobile phones in their school, so seldom _____them using one.