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In the Department of French , for example , the list of available upper-year options is so extensive and varied ( 30 at the last count ) that it is possible to concentrate on literature or to avoid it completely . We believe some of the requirements are so restrictive and costly that many potential pedestrian improvements will be passed over rather than attempting to comply with the draft guidelines . Mr. Fletcher had no doubt what the answer would be , and was in no haste to get it , for that was one of the moments that are so pleasant and so short-lived they should be enjoyed to the uttermost . The kids were so cooperative and they were so excited to see us when we walked in ... His interactions with Dr. Brenchley and her other postdoctoral scientists and the graduate students at Penn State were so productive and enjoyable that Dr. Sheridan stayed at Penn State for 5 years !