词汇运用 
①The little girl will travel____  (在国外)to learn more about art.
②---Do you know Hong Kong? ---Yes，it ____ (回归)to China in 1997.
③There will be a ____  (魔术) show at the gate of the shopping mall.
④How to protect the ____ （环境）has been under discussion.
⑤We should encourage ____  not to dump waste again. Let's write a letter to them.（工厂）
⑥Everyone was attracted by the  natural____ （beautiful) .
⑦Our English teacher can make her class____ (excite)
⑧These handbags are their ____ (wife)
⑨He has gone to Shanghai on ____ (busy)
⑩The government has ____ (take) action to improve the environment.