根据括号内的汉语，结合句子的意思，在横线上写出形式正确的英语单词，每个空格只准填一个单词。
We are having fish for                  (晚餐) tonight.
He                  (计划) to have a trip with his family last night.
China is much richer and_______________ (强大)than before.
Nothing is more important than                  (安全) for the pupils.
Thank you very much for                 (邀请) me to your party.