1) The spring is the good time for hiking. 春天是徒步旅行的好季节。 2) Mother is busy for doing housework. 妈妈正在忙碌做家务活。 3) Last weeki i visited Tom at the park. 上礼拜我和汤姆在公园见面。 4) It's sunny yesterday,but it's rainy today. 昨天天气晴朗,今天下雨了。 5)Mei mei made a robot by hand yesterday. 梅梅昨天亲手做了个机器人玩具。