Ⅳ. 语法填空
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Vincent had a great time in Moscow. On July 17th, it was his 1. ______ (one) day there. The weather was nice, and everyone was excited to visit some famous places. They went to the Victory Museum in the morning. Russians built this museum to remember their fight 2. ______ the Nazis in World War Ⅱ. In the museum, the tour guide told them war stories. He saw 3. ______ artwork with lots of glass "tears" falling down. It reminded people not 4. ______ (forget) about the history. At noon, they had lunch at a restaurant near the park. He loved the ice cream there and ate a lot. But during dinner, he didn't feel like eating 5. ______ he felt sick. He just wanted to sleep.
On July 18th, the air was fresh and cool, because 6. ______ rained the night before. Vincent felt much better. They took the Moscow Metro to travel 7. ______. The stations were really beautiful. Sometimes he felt like he was walking inside a palace. Then they 8. ______ (go) to Red Square. It was fantastic! In the afternoon, they visited a school and met a group of 9. ______ (Russia) students. They played games and soon became friends. Later, someone took out the accordion, and everyone got together to sing and dance. They were so happy 10. ______ they didn't notice the time. It was such a good experience!