________ the punishment was unjust , he would accept it without saying anything, because he knew it was the rule of the company.

下面的四组字母中不含有相同的元音音素的是（ ）

The first decade of the 21st century _____ the breathtaking and non-stop development of China

There are five circles with different colours on the flag of Olympic Games. They are green, blue, red and .

I would like to read _________ .