17-21ABDDA 22-26ADBAC27-31CCDBB 32-36BCDCB37-41CCBDB 42-45DFCA46-50DBEAF51made progress52exam53speaking54 a lot 55magazines56test57fewer58talk about59spend60when61number62them63continues64.Yes, it is. 65. Because someone suggested giving America a special gift for the countrys hundredth birthday in 1876.66. A book.67. Freedom.68 13 years69Where have you been?70 May I have a try?/May I try it out?71.we didnt catch the train.72 It takes him half an hour to ride to school.73.The boy (who is) in blue looks very sad.