【正文】
en C. on which D. on that 二、改錯(cuò) “ People which talk and sing to plants are crazy.” A agriculture expert said in the newspaper.“ In fact, singing or talking to plants make them grow better.” The reason is quite simple. When we sing or talk to plants, we breath out carbon dioxide (二氧化碳 ) what plants need to live or grow. Plants take in the carbon dioxide during sunlight hour and produce oxygen which people need to live. Singing and talking are helpful, however, only during the night. talk 改成 who talk are 改成 plants are not agriculture 改成 An agriculture them 改成 makes them plants 改成 that/which plants live or grow 改成 to live and grow and produce 改成 hours and produce helpful 改成 is helpful the night 改成 during the day