81.请带把雨伞以防下雨。

Please bring an umbrella in case it rains.

82.你应该听老师的话。

You should listen to the teacher.

83.汤姆每天下午打篮球。

Tom plays basketball every afternoon.

84.足球是一项培养孩子跟别人合作的运动。

Football is a sport that develops the cooperation between children and others.

85.同学们都在忙着准备考试。

The students are busy preparing for the exam.