485.Is there anything wrong,Bob?You look sad.
Oh,nothing much.In fact,I _______ of my friends back home.
A.have just thought
B.was just thinking
C.would just think
D.will just be thinking
486.I don't suppose the police know who did it.
Well,surprisingly they do.A man has been arrested and _____ now.
A.has been questioned
B.is being questioned
C.is questioning
D.has questioned
485.答案是B;此处表示说话之前正在思念朋友。
486.答案是B;根据句中now的暗示，此处应用现在进行时，且a man与question之间存在被动关系。
