精选优质文档-倾情为你奉上历年六级完形填空真题1999年6月大学英语六级(CET-6)真题试卷Part IV Cloze (15 minutes)Directions:There are 20 blanks in the following passage. For each blank there are four choices marked A), B), C) and D) on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less