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春卷) A. came B. ing C. to e D. having e 4. My sister, an inexpensive rider, was found sitting on the bicycle ____ to balance it. (08上海卷) A. having tried B. trying C. to try D. tried5. _____ their hats into the air, the fans of the winning team let out loud shouts of victory. (08天津卷) A. To throw B. Thrown C. Throwing D. Being thrown6. He was busy writing a story, only ______ once in a while to smoke a cigarette. (08遼寧卷) A. to stop B. stopping C. to have stopped D. having stopped7. ____ in the fields on a March afternoon, he could feel the warmth of spring. (08安徽卷) A. To walk. B. Walking C. Walked D. Having walked8. ______that he was in great danger, Eric walked deeper into the forest. (08浙江卷) A. Not realized B. Not to realize C. Not realizing D. Not to have realized5