Ⅰ.单句语法填空
1．Tom，______(addict) to the Internet，failed in the exam.
【答案】 addicted
2．His life in the big city was hard and finally he was reduced to______(wander) in the street.
【答案】 wandering
3．As a peace－loving country，we'll declare a total ban ________ nuclear arms.
【答案】 on
4．“Talking about drugs helped prepare me for the peer pressures in high school，” says Michelle,17，______ participated in the first program.
【答案】 who
