根据首字母及汉语提示，完成下列单词的拼写，使句意明确，语言通顺。
小题1:They d________ ( 设计 ) this TV show specially for children who belonged to the Second Generation of Stars ( 星二代 ).
小题2:It is not polite to enter the classroom without asking for the teacher’s p________(许可 ) if you are late for class.
小题3:He was in such a hurry that he fell d________(楼下).
小题4:He failed the maths test again , which made his mother pretty a________ ( 焦虑 ).
小题5:It was reported that two crocodiles ( 鳄鱼 ) e________ （逃脱）from a zoo but were soon caught and put back into the river.