A. 根据汉语、英文释义或句意，写出句中所缺单词的正确形式。
【小题1】Our parents told us that a good ____________ (开始)is half done.
【小题2】My room is a little small , I can’t find enough ______(room) for my piano.
【小题3】Missing the train today _________ （that is to say）waiting for tomorrow’s for him.
【小题4】It’s reported that many animals are in danger. They need our ________ (保护).
【小题5】Don’t worry. Our school ___________ free meals for poor students.