(2013·四川省广元市二模)—I'm worrying about the ing examination. I'm afraid I cannot pass it.
— ！ I'm sure you'll make it.
A. Go ahead
B. Good luck
C. No problem
D. Don't lose heart
网友回答
A. Go ahead
B. Good luck
C. No problem
(答案→)D. Don't lose heart
解析：选D 考查情景交际。根据答语第二句“我相信你能做到”可知，第二个说话人是在鼓励对方不要丧失信心，故D项正确。Go ahead“可以，干吧”；Good luck“祝你好运”；No problem“没问题”。