It _____ we had stayed together for a couple of weeks _____ I found we had a lot in common. [ ]

In our country the old taken good care of.

Mike hardly puts up his hand in class, ________ he— ________, he is one of the most active students in our class.

下列各句中加点成语的使用，全都不恰当的一项是①社会日新月异，竞争愈发激烈，在这样的时代里，不怕你别无长物，就怕你连上进心都没有。②大家的质疑，使我期期艾艾左支右绌，他却三言两语解了我的围，真是妙语解颐。③就像她40年前第一次扮演“喜儿”那样，将苦难与希望集于一身，将悲凉与反抗融为一体，演绎得丝丝入扣，台下的中国观众为之动容。④近来叶嘉莹先生90寿诞之际，先后有张候萍、熊烨撰写叶嘉莹传出版，两种传记各具特色，实为踵事增华之美事。⑤冬天的夜晚伸手不见五指，冷风不断地从四周灌进这个破房，周亚夫紧缩在屋角，全身不停地哆嗦着，噤若寒蝉。⑥以邻为伴而非颐指气使，与人与善而非飞扬跋扈，让世界感受到自己的胸怀与气度，一个国家何愁不能展现和平、可亲、文明的形象

He found his son _______ by letters and papers and _______ very worried.