根据括号内的汉语提示,完成句子。 1. Han Han has __________ (写) some popular novels in the recent years. 2. The young couple had great fun __________ (躺) on the beach in Hawaii. 3. The tourists from home and abroad lost __________ (他们自己) in the scenery in Mount Sanjiao last summer. 4. The more regularly you eat, the __________ (更健康) you are. 5. Qian Xuesen is one of the greatest __________ (科学家) in the world. 6. The __________ (第十二) lesson is the most difficult in Book Three.