根据句意用括号中单词的适当形式填空，使句子的意思完整、正确。The man in a white shirt is in his ________．(fifty)
I doubt whether it is worth ________ so much time on homework．(spend)
After hard work, he ________ in getting a scholarship．(success)
Red may help when you are having difficulty making a ______．(decide)
As a good doctor, you should not be too ________．(impatient)
他几乎从不生病的母亲死于新冠肺炎，真是令人遗憾．
It's such a pity that his mother who fell ill died of COVID﹣19．
我相信，如果我们继续齐心协力，我们就一定能贏．
I believe if we continue to ， we are sure to win．
她没有呆在家里过春节，而是去了武汉当志愿者．
staying at home for the Spring Festival， she went to Wuhan to be a volunteer．
我们永远不要拿不属于我们的东西．
We should never take anything that doesn't us．
我们应该思考如何把中国文化介绍给全世界．
We should think about how to Chinese culture the world．