23. “I’m afraid I can’t come to your house-warming party next Saturday.” - “__________” A. That sounds fun. B. Oh, what a pity! C. That’s ridiculous. D. Oh, what a relief! 24. “How is your visit to Phu Yen?” A. Oh, yes. I can’t believe it. B. Good idea. C. Great. I have never seen such an amazing place D. Sorry, I can’t. 25. What about organizing a Clean Day for our class? A. Good idea. How should we start? B. That’s shocking! C. I can’t believe it. D. I can’t wait .