The father as well as the three children______ every Sunday afternoon in winter.

What’s your plan this afternoon—I am going to _________ signs to ask people to protect our environment.

填入下面空缺处的语句，最恰当的一项是（ ）我需要清静……最好去处是到个庙宇前小河旁边大石头上坐坐， 。雨季来时上面长了些绿绒似地苔类。雨季一过，苔已干枯了，在一片未干枯苔上正开着小小蓝花白花，有细脚蜘蛛在旁边爬。

Our school life is ________________ happiness and sadness.

We can_____skills from social practice activities.[ ]