1 . 根据句意，选择单词或短语并以其适当形式填空。

take turns       now that     belong to       be considered to       take place

1. Xu Beihong, ________   be one of China's greatest painters, is famous for his lively paintings of horses.
2. ________   I have made this first visit, I hope I can come many more times.
3. His three children ________ looking after him when he was ill.
4. Great changes ________ in China in the last twenty years.
5. The book ________ me is interesting.