Read the following passage and mark the letter A, B, C, D on your answer sheet to indicate the correct word or phrase that best fits each of  the numbered blanks.

    A computer is a wonderful machine. It (41) ________ the most important invention in our modern time. Computers have had a great effect on science, industry, business, machine, and education. Soon it will touch the lives of everyone, even people in distant villages. It is a revolutionary invention. Imagine that you go (42) ________ study English at a college where the local newspaper rarely has news about your home town, but this does not bother you at all. You can sit comfortably in your room, turn on your (43) ________ computer, and search for the news you want on the Internet. The screen is immediately filled with news from all over the world.

    Computers can do all kinds of work. When someone buys something in a department (44) ________, a clerk puts information about the sale into a computer. During the night, the computer system works on the information from all the sales that day. (45) ________ the morning the manager can print out a report on everything that was sold and also on everything that must be reordered.

Question 41:  ​A. had been   ​B. is ​C. were ​D. would be  

Question 42:  ​A. but   ​B. so ​C. because ​D. and

Question 43:  ​A. personalize ​B. personally ​C. personal ​D. person  

Question 44:  ​A. factory ​B. store   ​C. hospital   ​D. school  

Question 45:  A. In ​B. At ​C. To ​D. On