he left Europe (the year) World war 2 broke out.

Einstein left Europe ___ World War II broke out .A.during B. He was able to flee Europe before the war broke out. My grandfather was born in the year __ World WarⅡbroke out.A The World War One broke out in 1914与 World War One broke out the war broke out in the year----he and his twin brother wer The second world war broke out in __ He managed to run away from Europe before the war broke 英语翻译When　World　War　I　broke　out,he　seemed　to　have　become　anot world war 1 broke out at the b_____ of the twentieth century the war broke out in the year _he and his brother were born it was said that the second world war broke out in 1939 时态 翻 the world war i in 1914 and ()in 1918.A broke out ,over B wa