【推荐1】无论遇到什么样的困难，中国人民会继续和平利用太空，参与到为人类谋福利的活动中。 (no matter what引导让步状语从句)
________________, the Chinese people will continue to make peaceful use of space and ________________ for the benefit of mankind.

【推荐2】然而,它们是中国文化的重要组成部分,我们必须保护它们,并将它们传承下去。
However, they are   _______ ________ ________ of Chinese culture, and we must protect and   _______ them.

【推荐2】你可以相信他会按时交论文的。
You ________he will hand in his paper on time.

【推荐3】医学检测证实她不是他们的亲生孩子。
Medical tests ________ she was not their own child.