The doors of the palace ______ gold. They’re shining in the sun.
---What’s ______?---It’s 0575-87983052.
Is that _______ UFO in the sky(天空中)?
“--- Is this your notebook? ---Yes, it is.” 朗读这组问答句的正确声调是_______.
Which is the right sound of the word “this”?
单词辨音。选出划线部分发音不同的那个单词。