Math is a little difficult, but I still like it very much. 

In Australia, after you do something well, “______” will often be said to you.

The people in western countries celebrate_______ by making pumpkin lanterns and wearing special costumes with masks.

At _______, we eat rice dumplings and on _______, we eat Turkey.

下面的四组字母中不含有相同的元音音素的是（   ）