单项选择题 I didn't expect to receive a postcard from you! It's really __my wildest imagination.A. behind B. beyond C. except D. through

单项选择题 The task is too much for me, so I can't carry on __ any longer.I must get some help.A. singly B. simply C. alone D. lonely

单项选择题 A．course B．length C．state D．time