—Leo, _________ no milk or eggs in the fridge.—I’ll go and buy some right away.
---How are you? -- I ________ fine.
---What’s this? ---It’s ________.
“ 千克” 的缩写形式是________.
下列字母的发音中含有元音音素的是________.
下列字母中不是元音字母的是________.