听力原文:How does a customer decide on the size of the tip? How does a customer decide on the size of the tip? According to how pleased he or she is with___________________.
【简答题】Time to Dance Are you the kind of person who likes to move with music? It's a natural thing to do. Even little children start jumping up and down when they hear music. Scientists say that animals danc...
【简答题】阅读短文,选择最佳选项。 Many British people like to go bird-watching in their free time. That's why there are many English sayings about birds. Read the following to learn about them. He eats like a bird. This d...