--- I am thinking of the test tomorrow. I’m afraid I can’t pass this time.
--- ! I’m sure you’ll make it.
A. Go ahead
B. Good luck
C. No problem
D. Cheer up
网友回答
A. Go ahead
B. Good luck
C. No problem
(答案→)D. Cheer up
解析：考查交际用语：A. Go ahead请便B. Good luck祝好运， C. No problem没问题D. Cheer up振作起来，句意：--我在想昨天的考试，恐怕我这次不能通过了。--振作起来，我肯定你会通过的。选D。