1．(2019年新课标Ⅰ卷·完形填空)The glaciers are ________ (disappear), changing the face of Kilimanjaro.
2．(2018年江苏卷·任务型阅读)If you are a student ________ (study) the arts, chances are you have been illadvised to have a plan B.
3．I received a letter ________ (contain) some important information about the project.
4．(2019年北京卷·阅读理解B)Consequently, she succeeded ________ making a kind of candy only using natural sweeteners, which can reduce oral bacteria.
