1.欢迎到北海公园来!

  Beihai Park!

2.他每周吃3千克的苹果。

He eats     apples every week.

3.玲玲总是匆忙地去上学。

Lingling always goes to school     .

4.那就是你伤心的原因。

  you are sad.

5.我爸爸经常乘出租车上班。

My father often to work by.