Con,Co,Col,Cor-together
It was not known whether the price increases resulted from higher costs or from collusion among the producers.
不知道价格的上涨是起因于成本的提高，还是制造者之间的勾结。
Neighbors cannot live in concord if their children keep fighting with one another.
如果孩子们总是打来打去的，邻居间就无法和谐相处。
During the Revolutionary War,the thirteen colonies coalesced into one nation.
独立战争期间，十三个殖民地联合成一人国家。
Tom is collaborating on the work with his friend.
汤姆与他的朋友一起做那件工作。
The House and the Senate will convene at noon to hear an address by the President.
众议院与参议院将在中午集合听总统发表演说。
Jack’s account of how the fight started did not correspond with the other boy’s version.
杰克描述这场子架的起因与另外一个男孩的说法不符。
In coherent writing,every sentence is connected in thought to the previous sentence.
有条理的写作，每一句子都与上一句子相连结。
Helen keller’s deafness and blindness were not congenital defects but were acquired after birth.
海伦，凯勒的聋与盲不是先天的缺陷，而是后天造成的。