你在问别人问题之前,你可以有礼貌地说: A. I’m sorry. B. Excuse me. C. Can you help me?
_________a fine horse! A. How B. What C. Where
__________lovely they are! A. what B. What a C. How
The mother pig has three _________. A. piglets B. puppies C. kittens
What are ___________over there? A. that B. these C. those
The ducks and ducklings _______swim. A. doing B. are C. can