题目

完形填空 In February last year,my wife lost her job.Just as suddenly,the owner of the Green House,where I worked as a manager,1a heart attack.His family announced that they were going to2the business because no one in the family wanted to run it.Things looked pretty3.My wife and I read the4in the newspaper each day. Then one morning,as I was5a going-out-of-business sign at the Green House,the door opened and6 walked a customer.She was an office manager7company had just moved into the8office park on the edge of the town.She was9some potted flowers to place in the reception areas in offices.19．从给定的元素Na、O、N、H、Cl中，选择适当的元素按要求写出有关物质的化学式：酸（写两个）HCl、HNO3；碱NaOH．