46.He likes to stay at home and help his mother do the housework on ________（星期天）.
47.Nanjing topped the list of the happiest cities for __________（教育）in China in 2009.
48.Look at the children on the playground.They are flying kites ____________（愉快地）.Let's join them.
49.As people grow more green-minded ,more of them take actions to reduce__________（他们的）carbon footbrints.
50.The Greenery Theme Park in Hexi New Town is a good ____________（地方）for people to enjoy different plants.
答案：46 Sunday 47 education 48 happily 49 their 50 place
46.Shirley has been use to _____her get pet dog after dinner.（带……散步）
47.The moonlight is shining on the little girl ________the window.（穿过）
48.Madame Curie ____the x-ray machine.（发明）
49.Please sit ______.There are plenty of seats here.(任何地方)
50.This is one of the most expensive______on the market. (字典)
答案：46.walk 47.through 48.invented 49.anywhere 50.dictionaries