This also keeps the air，soil，water crops________ chemicals

Must I answer the question in English——No, you __________.You ________ answer it in Chinese.

She ________ that it _________ be a holiday for her.

His efforts to raise money forhis program were________because no one showed any intention totake a cent out of their pockets[ ]

Einstein was famous _________ a scientist_________ his Theory of Relativity.