单项选择题For many years, people () electric cars. However, making them has been more difficult that predicted.
A. had dreamed of B. have dreamed of C. dreamed of D. dream of
单项选择题根据《水浒传》的描述,在头脑中再造出武松打虎的情景的过程,就属于( )。
单项选择题—I'm going to study engineering in Tsinghua University tomorrow. —______.