Directions: Each of the following sentences has four underlined parts marked A, B, C and D. Identify the one that is not correct. Then blacken the corresponding letter on the Answer Sheet.

　　46. When you've finished with that book， don't forget to put it back on the shelf，Won't you?

　　                             A B C D

　　47. The workers in the factory demanded that their pay would be raised by 20 percent

　　A B C D

　　48. It remains to see whether Jim will be fit enough to play in the finals.

　　A B C D

　　49. I invited Joe and Linda as well as Tom to dinner, but neither of them Came.

　　A B C D

　　50. Over the past 20 years，the Internet bas helped change our world in either Way or another for the better.

　　A B C D

　　51. How and why this language has survived for more than a thousand years，while spoke by very few，is hard to explain.

　　A B C D

　　52. Nearly half of Americans aged 26 and old take part in some form of continuing education.

　　A B C D

　　53. Many parents feel they need to keep a closer eye to their children because of concerns about　crime and school violence.

　　A B C D

　　54. For married mothers, the time spend on child care increased to an average of 12.9 hours a week in 2009

　　A B C D

　　55. There is an increasingly amount of evidence that more and more young people are taking an active interest in politics.

　　A B C D