题目

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。I am now on my year abroad in Germany as part of my university course. At the 【1】 (begin) of my time here, I had the chance to meet so many new people and make lots of new friends. It is almost like 【2】 (start) a new life and can make you feel nervous and lonely at first. But I knew that when I moved to Germany I had to be open and friendly. This is 【3】 (certain) what I have done since moving here and I have made some great friends along the way.Next week a friend of 【4】 (I一个圆形游泳池的半径是7米，它的周长是 米，面积是 平方米．