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[00:00.00]1.Stone bought a used book for $6,saving about $2.50.
[00:04.23]2.Sandy bought a 200_dollar camera for 165 dollars.
[00:08.36]3.City College had 520 students in 1960,but since then,the school has doubled its enrollment.
[00:15.15]4.Miss Smith always gets to the store a half_hour early in order to check the register before the store opens at ten o'clock.
[00:22.07]5.By the time I pay 250 dollars for my rent,I only have half of my salary left.
[00:27.04]6.Their flight was scheduled to depart at noon,but the plane was delayed for half an hour.
[00:31.48]7.The stadium seats about 50,000 people,but it was half empty for last night's game.
[00:36.15]8.Dr.Jones got to the corner at 8:40 A.M,missing the bus by five minutes.
[00:41.12]9.If Jane can type forty words a minute,Judy can probably type eighty.
[00:45.40]10.These end tables are on sale for $ 85 each or $150 for a pair.
[00:50.73]11.The class begins at eight o'clock,but Bill is always fifteen minutes late.
[00:54.88]12.We expected to sell forty tickets,but we sold twice as many.
[00:58.70]13.Since the taxi was late,Dr.Jones didn't get to the airport until eleven o'clock,missing his flight by half an hour.
[01:05.31]14.Mr.Black has to leave his house at 8:30 in order to get to work by 9:00.
[01:10.19]15.Alice was shortchanged ten dollars when the teller cashed her $ 300 check.
[01:15.02]16.My watch says 9:30,but I always set it ten minutes ahead.
[01:18.76]17.This recipe will only serve ten people,and we expect at least twenty.
[01:22.89]18.Since the shuttle bus only goes halfway from State University to married student housing,Bob and Carole have to walk half a mile to the bus stop.
[01:30.78]19.Jonh was supposed to arrive in time for the noon meal,but he was two hours late.
[01:35.37]20.At the end of the season,many of these sixty-dollar dress will be sale for half price.