英语翻译we see a rainbow only during showers ,only when there is

There is only you can't see It is only when we are taking a test ___ we are not prepared 英语翻译Only when you pay attention to it can you see a colorful There is on such thing as darkness .only a failure to see There is no such thing as darkness; only a failure to see.怎么 请问这句话对吗,试分析下语法only when we attention to it can we see a colo 英语翻译1.There is no doubt that only when economy develops ---- 英语翻译It is a minimum during March and April when there is lit There is only a little time left. There is only a piece of bread There is only a chair in room there is only a little oil___(leave).