下列各组字母中全部是元音字母的是 ____。
---Your sweater is very nice.--- _____________
---Do you like “The Voice(声音) of China” on TV?---Yes, it’s very _______
--- ________ are the trousers?--- They are 500 dollars.---Wow, you are really a Tuhao.
I ________ strawberries but my brother ________.