71. There are about two _______________ （百）students playing on the playground.
72. The mother is _______________（自豪的）of her son, because he is very successful in his work.
73. There are many kinds of English _______________ （字典）in this bookstore. You can choose the one you like.
74. Look at the photo _______________（仔细地），and you will find our teacher.
75. Would you mind _______________（打开）the window? We need some fresh air.
答案：71. hundred 72. proud 73. dictionaries 74. carefully 75. opening
41.Lily?s parents are both doctors while _________（我的） are both teachers.
42.As Zhenjiang citizens, we're all _________ (骄傲） of Xijin Ferry (西津古渡）.
43.It's not easy for those superstars to face _________（无穷无尽的） interviews and doubts.
44.To make our world a better place, we need to _________ （保护） those endangered wild animals.
45.One day in 1966, Armstrong _________ (设法完成） to bring the spacecraft down into the Western Pacific Ocean after cutting the flight short.
答案：41.mine 42.proud 43.endless 44.protect 45.managed