Fill in the blanks with the expressions in the box. 1. Reasons for changing careers are different in nature, but many people move because they _______________ their current jobs and just want a change. 2. Just as it is easier to go downhill than to climb uphill, it is always easy to ___________ bad habits unless people have a very strong will. 3. University students must ________________ themselves; otherwise, they will never complete their studies and get a bachelor’s degree within four years. 4. People used to think the development of electronics may ___________________, but now more and more letters and documents travel electronically. 5. He was sick and got a bad headache yesterday. It was only when he finally ____________ to sleep that his headache eased a little bit. 6. With two impressive personal stories, one featuring the author as a son, the other as a father, the author has well _________________ his readers. 7. The young man had to ___________________ the inevitable fact that he would not be able to come back to his motherland again. 8. The news report revealed that 16 US and British citizens in Kuwait were ordered to _____________________ the Iraqi authorities.