1.【2018·北京】3. _________ along the old Silk Road is an interesting and rewarding experience
A. Travel B. Traveling C. Having traveled D. Traveled
【答案】B
【解析】考查动名词。句意:沿着丝绸之路旅行是一次既有趣又有益的经历。“____ along the old Silk Road”做主语,要用动名词,故B选项正确。
点睛:动名词是动词-ing形式的一种,兼有动词和名词特征。在句子中可以作主语、宾语、表语、定语。