2014
高考英语完形填空基础精品题练习(1)及答案完形填空 you have waited 45 minutes for the valuable 10 minutes’ break between classes. but when the bell for the next class rings, you can’t 36 how quickly time has passed. if you are familiar with this 37 , you’ll know how time flies when you are having fun and 38 when you are bored. now scientist