Imagination refers to the thinking activity of creating a new image based on the original experience. According to whether imagination is controlled by the will, it can be divided into random imagination and involuntary imagination. The characteristic of involuntary imagination is the strangeness of various impressions and information. It is meaninglessly grouped together. Random imagination is the conscious control of various impressions and information, with purpose, and through the efforts of the will to present the required scene. Based on the above definitions, Which of the following options are imaginary:? ['When Li slept last night, she dreamed of a playful partner who was childhood.', 'Zhang San received the admission notice and thought that he had achieved his goal and was very excited.', "Xiao Wang is looking forward to the design, looking forward to the company's new building after completion.", "Xiao Chen's father looked at the photos and recalled the scene of going up the mountain to the countryside."]