It would be very safe if you_________ the door_________ to the garden.
A.fasten; led
B.will fasten; leads
C.fastened; leading
D.fastened; to lead
网友回答
C解析考查虚拟语气和分词用法。根据前面的would可知这是一个对将来事实相反的虚拟语气，从句用过去时/should 动词原形/were to do;主句用情态动词+动词原形；现在分词短语leading to the garden修饰前面的名词the door；句意：如果你加固通向花园的门，那么就会非常安全了。