问题补充：
— I have failed. I really don know why I did so badly.
— Just try to do it better next time.
A. Look out！
B. Don lose heart！
C. You e hopeless.
D. Can you be more careful?
答案：
A. Look out！
(答案→)B. Don lose heart！
C. You e hopeless.
D. Can you be more careful?
解析：句意：我失败了。我真的不知道我为什么会做的这么糟糕。别灰心。下次尽力做的更好。鼓励别人用Don lose heart！A小心，当心。C你没希望了。D你就不能更仔细一点吗？表示责备；故选B。
