563.Harrison Ford is thought to be one of the few movie stars _____ as a carpenter before.
A.to work
B.to be working
C.to have worked
D.to have been working
564.Look over there—there's a very long,winding path _____ up to the house.
A.leading
B.leads
C.led
D.to lead
564.答案是C;做过木匠发生在过去，不定式完成式表示动作已经发生。
564.答案是C;考查非谓语动词作定语，a road leading to sp.相当于which leads to sp.
