根据句意和汉语注释,写出单词的正确形式。There is a _________ (直达的)high-speed train to Hangzhou.
I am looking forward to visiting __________(欧洲)this summary holiday.
The meeting has been ________________ (结束) for 10 minutes.
Most of us can’t live without the Internet because it has made _______ (交流) much easier.