单词拼写 根据句意和汉语注释，写出单词的正确形式。
What is the _______ (理由) for not doing your homework, Kitty?
More and more people like_______（聊天）with others on the Internet now.
There are lots of different after-school _____________(活动) in our school.
The buildings in Wuxi New Town look ___________ (现代的).
The book is one of my ____________(hero).
Please write down your ________ (hobby) on the paper, children.
The big room on the _________ (one) floor is a reading room.
My grandparents often go _______ (walk) for half an hour after supper.