48.We regret to inform you that the materials you ordered are out of________.
A. work B. reach C. stock D. practice
47.When you are going upstairs, please_____ your head.
A. attend B. notice C. mind D. observe
46.The new method he suggested sounded good in_______,but is not practical in use.
A. opinion B. policy C. theory D. principle
45.After the president made an official announcement, she expressed her_____ opinion.
A. personal B. private C. single D. individual
44.When I opened the door, a parcel on the floor_____ my eye.
A. met B. caught C. drew D. attracted
43.After three months, these young students finally became used to the ______ of life in a big city abroad.
A. speed B. pace C. rate D. frequency
42.Although the working mother is very busy, she still_____ a lot of time to her children.
A. devotes B. spends C. offers D. provides
41.Honesty is the most important______ a man can have.
A. habit B. manners C. quality D. effect
40.The result of the election has not been__________.
A. announced B. declared C. claimed D. maintained
39.I hope they will finish the project in time, but they themselves are very_____ that it will.
A. certain B. confident C. doubtful D. suspicious