Small signs may ___ great changes to come and therefore merit attention. (CET4-2017.6阅读) If you are a college student looking for work but worry you won't have enough time to devote to ___ subjects, consider working as a library monitor. (CET4- 2016.12 听力) Another trend that looks ___ in 2015 is that America's largest population group, Millennials (千禧一代)will continue to put off buying a house. (CET4- 2017.6阅读) E-books now account for 14 percent of all book sales in the country and are increasing far faster than ___ book sales. (CET4- 2014.6阅读) Soon after, she knew she had to make a bold move to fully ___ to her new future. (CET4- 2017.6阅读) These experiments indicated that a focus on effort can help resolve helplessness and ___ success. (CET4- 2016.12阅读) Such personality ___ as self-discipline have no effect on longevity(长寿). (CET4-2016.6阅读) Some people are ___ in the past but not open to new memories, but that's not the case for me. (CET4- 2017.6阅读) They hoped to challenge the ___ that he never slept. (CET4- 42014.6听力) Further ___ of McLaughlin's irresponsibility occurred on May 6 when he was returning from his shift. (CET4- 2013.12听力)