4.It's Time for School

该上学去了

A：Mum，it's time for me to go to school now.

   妈妈，我该上学了。

B：OK，you go first. Be careful not to ride too fast. It's rush
        hour now.

   好，你先走，注意不要骑得太快，现在正是上班高峰期。

A：Don't worry. I'll take care of myself.

   不用担心，我会小心的。

B：Remember to buy today's newspaper on your way home.

   回来的路上别忘了买今天的报纸。

A：All right. Bye，Mum.      好吧，妈，再见！