He is very sorry _____ that.
cheer v. A.鼓掌 B.欢呼,喝彩 C.站立
satisfaction n. A.满意 B.幸福 C.高兴
right away A.跑掉 B立刻,马上 C.稍后
breathe v. A.玩耍 B.扫地 C.呼吸
try out A.赠送B.试用 C.努力