The kangaroo is A.runing B.jumping C.jumpping
“你最喜欢哪个季节?”如何说: A. Which season do you like best? B. What are you doing now ?
打电话时说:“我是小明”该如何说: A. I am Xiaoming. B. This is Xiaoming .
当你想要询问别人的生日是什么时候时,应该如何问: A. When do you have breakfast? B. When is your birthday?
--- _____ they taking a picture? --- Yes, they are. A. Am B. Is C. Are
Kate ______ playing chess. A. am B. is C. are