There are forty students in our class. Twenty-five are girls and _________ are boys.
当你的朋友对你说:Hello时 ,你应该说: A.Hi B.Bye
当你向别人介绍John时,应说: A.I’m John. B.This is John.
当你的朋友对你说:Nice to meet you 时,你该如何回答?A.Nice to meet you,too B. Goodbye
当你上午见到朋友时,该如何打招呼? A.Good morning B.Good afternoon
Ten years ago, I___ 3 years old.