The park was full of people, ____themselves in the sunshine.
A：having enjoyed
B：enjoyed
C：enjoying
D：to enjoy
改革开放以来，我国社会生产力和综合国力显著提高，人民生活水平和社会保障水平显著提高，国际地位和国际影响力显著提高。由此，对我国国情可以这样认为 （ ）
— Lily is about the competition.
— Yes, she is afraid that she won't win.
出现于春秋时期，是我国古代耕作技术的一次重要飞跃，使生产效率得到很大提高的耕作技术是（ ）
