Exercises : P145 of the book. 将下列句子改成be it ...or...句型。 1.Although I am already very tall, I wear high heels all of the time, no matter whether it is day or night. 2.A lower euro(欧元) will actually help European exports become more affordable and more competitive around the world, no matter whether they are German automobiles or Italian leathers. 3. Every time there is a major news event, no matter whether it is a natural disaster or a historic moment, we take it for granted that there will be pictures and videos.