75.The old couple have decided to a________ a boy and a girl from Yushu though they have three daughters and two sons of their own . 　

74. Both Pompeii and Loulan became lost c__________ about 2,000 years ago.

73. The word “not” are p 　　　　　differently in the UK and the USA.

72. 2010 Shanghai World Expo needs a good many v________ to do the work for free.

71.　Your v___________ is too small; you need to learn more words.