Grammar4 Complete the sentences with a, an, the or – (no article). 1 I wanted to be ______ firefighter when I was a child. 2 Vatican City is ______ smallest country in the world. 3 The company has invented a new kind of vacuum cleaner and everyone hopes they will present ______ machine at their annual conference. 4 We live in ______ 21st century. 5 I think that______ people will live longer in the future. 6 Liam wants to discuss an urgent issue with me, but he hasn't told me what ______ issue is. 7 My uncle lives in ______ Switzerland. 8 There’s ______ island in the middle of the lake. 9 Wow Look at ______ Moon 10 There were floods last year in ______ Netherlands.