A:What's this?B:It's a ________.A:Oh,it's big.
——What ___ it? ——It’s a restaurant.A. am B. is C. are
——Where’s my book?——___ the bed.A. In B. At C. On
——Is this a cab?——___.A. Yes, it is. B. Yes, it isn’t. C. No, it is.
——____are you?——Fine, thank you.A. What B. Where C. How
May I help ___ ?A. you B. your C. she