Their first ____ had a white ____ on it. This is a symbol of good____.
播种在水涝地里的种子很难萌发，这是因为缺少了种子萌发所需的
1）春天，冰雪融化汇成溪流
2）夏天，从冰箱里拿出来的饮料罐“出汗”
3）秋天，清晨的雾在太阳出来后散去
4）冬天，室外地面上出现了霜．
