45.I never expected the shoes _______ so soon.
问题描述：
45.I never expected the shoes _______ so soon.
A.wearing out B.to be worn out
C.to have worn out D.being worn out
我选D
51.The human body is composed of organs,each _____ a definite job to do.
A.have B.has C.to have D.having
我选B
答
45 词组：expecte to do 排除AD 且 shoes 是被穿破的 用被动 选B
51 逗号之前,句子已完整,一个句子中是不能有两个谓语动词的.each 句是对organs 的补充,应用非谓语动词,选D