问题
选择题
_________ is well known to the peasants,pests continue to eat crops, damage.
A.It;causing
B.As;caused
C.It;caused
D.As;causing
答案
D
首先考查as引导的非限制性定语从句,意为“正如农民们所知”,如用 “it” 则为“It’s known to sb.that...”;其次考查非谓语动词。cause与pests之间存在着主动关系,因此用causing。