Ⅰ.单句填空
1. (concern) about his student,the teacher called the student’s parents to find out why he was so often absent from class.
2.Plastic bags cause litter and are a danger to wild animals which mistake them food.
3.If any employee is found (leak) the trade secret,he or she will be fired immediately.
4.Our English teacher creates an atmosphere in class we are free to express ourselves.
5.In the past twenty years,a huge amount of environmental damage (cause) by air pollution.
6.One-third of the country covered with trees and the majority of the citizens black people.(be)
7.In order to ease the traffic pressure,huge amounts of money (be) spent on the new highways in 2019.
8.You’d better have the old furniture (remove) in order to make room for the new furniture.
9.They urged me (eat) the strange food which I have never seen before.
10.The Nobel Prizes would be awarded to people who made great (contribute) to the causes of peace,literature,and the sciences.
