1. Sheep _____ ______(以… 为食)grass. 2. Since he came to this class, he hasn't played ______ _______ (不再) as he did before. 3. _______ ________ (由于) his hard work, he achieved great success. 4. The policeman ______ (搜查) the thief ______ the lost money. 5. Please _______ _______ (参阅) your dictionaries if you meet new words.
