【单选题】Britain's inability to keep pace with the steady development of technology, coupled with lack of attention to marketing needs, is the reason for our national decline.
【单选题】影响供给量的主要因素不包括______。
【单选题】Not only the students but also their teacher ________ seeing the new movie Harry Potter. [ ]
【单选题】Seeing their teacher ______ into the classroom, they stopped ______ at once.