依次填入下列各句横线处的成语，最恰当的一组是（ ）①臧克家先生回忆叶圣陶先生时说：“叶老为人敦厚诚朴，对人 ，真是蔼蔼然长者之风。”②我虽然一次都没有见过外婆，但是从众人口中，我得知，她是一个大方得体，善解人意， 的人。③一个大国的国民，无论对内对外，都应是 的。这是文明礼貌的要求，也是自信心的表现。

In one corner of the garden there stands a little board，_______“Keep off the grass．”

esegraduate’s record-setting $8,888,888_________ to his school at Yale Universityhas stirred wide debate at home.

The famous artist said that his success was _____ his hard work and perseverance[ ]

Our college is going to choose some ______from the graduates to serve the poor village during the summer vacation