—Tommy, _________ do you play the piano?—When my mom is at home, I have to every day, but she’s away this week!
表示“重要人物”的字母组合是______.
占上中下三格小写字母是______.
下列选项中属于元音字母的组合是______.
I ______believe everything ______ be free in 20 years.
Tara and her sister_____ quiet and they_____ sports.