1.My grandma is kind-hearted .she always has pity ＿＿＿poor children a．on b．for c．with d．to
问题描述：
1.My grandma is kind-hearted .she always has pity ＿＿＿poor children a．on b．for c．with d．to
2． Mum ,could you please tell me ＿＿＿dad has gone to london 这题为什么不能用how long?
答
1.on （have pity on sb.表示同情某人）2.句中gone（go）是瞬间动词,而how long问的是持续性的动作,表示动作持续了多久,瞬间动词不能用how long提问.如果句子是“Mum ,could you please tell me ＿＿＿dad has BEEN ...