— I am very worried about tomorrow’s chemistry test. I’ m afraid I can’t pass this time.—!

问题补充：

— I am very worried about tomorrow’s chemistry test. I’ m afraid I can’t pass this time.

—! I’m sure you’ll make it.

A. No problem

B. Don’t mention it

C. That’s right

D. Cheer up

答案：

A. No problem

B. Don’t mention it

C. That’s right

(答案→)D. Cheer up

解析：A. No problem没问题 B. Don’t mention it何足挂齿 C. That’s right那是对的 D. Cheer up加油；句意：我对明天的化学考试非常担心，我怕不能通过。加油！我相信你会成功的。故选D