1、 Don't trust such people __________ praise you to your face but speak ill of you behind your back.
问题描述：
1、 Don't trust such people __________ praise you to your face but speak ill of you behind your back.
A.who B.that C.which D.as
选A.
2However,in ________ recent years,_________ Niagara Falls have come to be appreciated more for their natural beauty as _________ wonder of Nature.
A./; the; a B.the; /; the C./; the; / D.the; /; a
选A.
答
1 定语从句 先行词是such people 带入后面从句中作主语 人做主语用who 故选A
2 in recent years 不用冠词 ；
Niagara Falls 尼亚加拉大瀑布是地名 地名前都必须用定冠词the ；
as a wonder of Nature作为一个自然奇迹 "一个"所以用a