高中英语单选题---高手进1、We all know that good friends _____ happiness
高中英语单选题---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