His sacrifices for the country were never officially , which made all of us feel discouraged. [ ]

It is the prevention of disease_____ its successful treatment that has led to the rapid increase of the world’s population

Did you remember to give Mary the money you owed her—YesI gave it to her _______ I saw her

用平实的语言转述画线的句子，表述正确的一项是陈佩斯钟情喜剧艺术，他创办的大道喜剧院已经正式鸣锣开演。对于正在从事喜剧演出的演员来说，从演出的剧目中截取一部分到春晚舞台上去展示自己的风采，这应当是求之不得的好事。但是，陈佩斯拒绝了央视的邀请，明确表示不参加蛇年春晚小品演出，他说：“我们的作品不是羊肉串，不是糖葫芦，所以没有适合的。”

The teacher is busy ____ teaching