( )The students couldn't help ______ when they heard the joke.
A. to laugh B. laugh C. laughing
Twenty－five＝？
A. fifteen B. nineteen C. eighteen
Ten－three＝？
A. five B. six C. seven
–How much is this T-shirt? - __________________
A. It’s thirty yuan. B. Fine, thank you. C. Yes, they are.
–Where is the TV room? - ___________________
A. It’s on the second floor. B. It’s a TV room. C. It’s a TV.
–Can I wear my new skirt today? - ___________________
A. Yes, you can’t B. No, you can’t. C.Yes, I do.