高中英语单选题---高手进
1、Weallknowthatgoodfriends_____happinesstolife.
A:addupB:addonC:addinD:add
2、Thereason_____hegaveuswas_____hedidn'tfollowwhattheteachersaid.
A:why;thatB:that;becauseC:that;thatD:why;because