During the past two decades, research has＿our knowledge of daydreaming.A. expanded B. emergedC. descended D. conquered
During the past two decades, research has＿our knowledge of daydreaming.
A. expanded B. emerged
C. descended D. conquered
相关考题：
During the past two decades，research has______our knowledge of daydreaming.A．expandedB．emergedC．descendedD．conquered