的 两个单选题 务必高手进.

问题描述:

的 两个单选题 务必高手进.
1、We all know that good friends _____ happiness to life.
A:add up B:add on C:add in D:add
2、The reason _____ he gave us was _____ he didn't follow what the teacher said.
A:why;that B:that;because C:that;that D:why;because
务必解释原因

1.D 这其中,词组add up作“合计、对的上”讲.词组add on意思是“包括、包含、附加”,add in意思是“注入”.而add...to则表示“增添了……”
2.C 前一个空填that引导定语从句,翻译成“他给我们解释的原因”;而后面的空填that引导was后的表语从句,reason的内容.